EODVICS 7 Pack Invisible Ink Spy Pen with UV Light Party Favors for Kids
4.7Editor score
Seven pens included
Slide switch UV light
Non-toxic water-based ink
In this guide
Invisible ink UV marker pens offer a unique way to write secret messages that only appear under ultraviolet light. These tools are perfect for security marking, parties, and creative projects. Choosing the right one depends on tip size, ink durability, and included lights.
We compared ten top-rated products based on user reviews, specifications, and real-world performance. Our list covers options for kids, professionals, and hobbyists. Each entry highlights key features to help you find the perfect match for your needs.
Each pick shows detailed specs, pros, cons, and usage tips. Prices and availability change frequently so check current listings before buying. This guide ensures you get the best value and performance for your invisible ink project or security task.
Top 3 Picks for Best Invisible Ink UV Marker Pen
SureMark UV Security Marker Fine Tip with Keyring UV Light
4.7Editor score
Fine tip bullet nib
Includes keyring UV light
Works on metal and wood
MM-77 UV Security Marker, Permanent Invisible Ink, 2.3mm Bullet Tip, 10ml, Visible Under UV or Black Light, For Quality Control, Identification, Manufactured in USA – 3 Pack
4.4Editor score
Manufactured in USA
Valve action design
Large 10ml capacity
Top 10 Best Invisible Ink UV Marker Pen in 2026 Compared
This side-by-side comparison outlines the key specifications and use cases for each of the ten selected invisible ink UV marker pens. Review the table to quickly identify tip sizes, ink types, and special features like built-in lights or bulk packs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
SureMark UV Security Marker
Fine tip bullet nib
Plastic body
Includes keyring light
4.7Editor score
Editor's Choice
Invisible Ink Pen Spy Pen
3 pens included
Color ink blue pink yellow
Currency detection light
4.5Editor score
Best Premium
Large Invisible Ink Marker
2MM medium tip
Water based ink
Pack of 2
4.5Editor score
Sakura Pen-Touch UV Paint Markers
Opaque coverage paint
Non-toxic certified
3 assorted tips
4.4Editor score
Dual Tip Invisible Ink Marker Pen
Dual tip 0.7mm 1.5mm
Water based colorless
Pack of 2
4.5Editor score
32 Pack 2 Style Invisible Ink Pen
32 pack set
Built-in purple light
Batteries included
4.4Editor score
EODVICS 7 Pack Invisible Ink Spy Pen
7 pack set
Slide switch UV light
Kid safe ink
4.7Editor score
Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker
Extra large body
Broad tip
Glow bright blue
4.4Editor score
MM-77 UV Security Marker
2.3mm bullet tip
10ml ink capacity
Valve action design
4.4Editor score
edding 8280 securitas uv marker
Round nib 1.5-3mm
Waterproof ink
Quick drying time
4.6Editor score
1. SureMark UV Security Marker – Best Overall Precision
SureMark UV Security Marker
Fine tip bullet nib
Plastic body
Includes keyring light
Multipurpose surface use
The SureMark UV Security Marker stands out as the top choice for precise invisible writing. With a 4.7 rating, it delivers reliable performance on various surfaces. Its fine tip allows for detailed messages that remain hidden until revealed by the included keyring UV light.
Pros
- Accurate fine tip
- Durable plastic body
- Included UV light
- Works on multiple surfaces
Cons
- Storage position matters
- Requires recap after use
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This marker features a sturdy plastic body and an acrylic fine tip bullet nib. It writes smoothly on plastic, wood, paper, cardboard, and metal. The compact design makes it easy to carry in a keychain, ensuring you always have a light source handy for checks.
While effective, the marker requires care during storage. You must recap it after use and store it horizontally in a cool place to prevent drying. Vertical storage can lead to ink leakage or uneven flow, so proper handling extends its lifespan significantly.
Ideal for security marking and small projects, this pen is a robust tool for anyone needing discreet identification. Its balance of precision and portability makes it the best overall choice for professionals and hobbyists alike who value quality and convenience.
Precision Fine Tip
The fine tip ensures detailed marks without bleeding, perfect for labeling small items or writing clear text on smooth surfaces like metal or plastic.
Included Keyring Light
The included keyring UV light adds immediate functionality, allowing you to reveal messages instantly without needing a separate flashlight or lamp.
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2. Invisible Ink Pen Spy Pen – Best for Color Variety
Invisible Ink Pen Spy Pen
3 pens included
Color ink blue pink yellow
Currency detection light
Pack of 3
This set offers a fun twist with three pens in blue, pink, and yellow ink. Under UV light, these vibrant colors create eye-catching messages. It is an excellent option for parties, treasure hunts, or creative arts where color differentiation adds to the experience.
Pros
- Multiple ink colors
- Includes 3 lights
- Currency detection feature
- Great for themed events
Cons
- Standard tip size
- Light batteries may vary
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The package includes three compact UV LED keychain lights, enhancing the fun. These lights also double as currency detectors for major world currencies like USD and EUR. This dual functionality makes the set versatile for both play and practical security checks.
While the pens are engaging, they are standard spy pens suitable for paper and fabric. The ink is invisible in regular light but reveals vividly under UV. Users should note that the lights are small and may require battery replacements over time.
Perfect for kids and party hosts, this set brings excitement to secret writing activities. Its variety of colors and added currency detection feature make it a standout choice for entertainment-focused purchases or gift-giving occasions.
Colorful Ink Options
Choosing between blue, pink, and yellow ink allows for coded messages or personalized notes that stand out differently under black light.
Currency Detection Utility
The UV lights can check for security strips on currency, adding a practical layer to the toy-like design.
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3. Large Invisible Ink Marker – Best for Large Surfaces
Large Invisible Ink Marker
2MM medium tip
Water based ink
Pack of 2
High ink capacity
This marker features a 2MM medium tip and large ink capacity for extended use. It is ideal for labeling bulk items or writing on diverse materials like wood, leather, and ceramics. The water-based ink remains invisible until exposed to UV light.
Pros
- Large ink capacity
- Works on many surfaces
- Pack of two pens
- Durable and long-lasting
Cons
- May erase on smooth surfaces
- Requires tight capping
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The pack includes two markers, making it convenient for group projects or inventory control. Its design supports security printing, event tickets, and industrial coding. The durable build ensures it lasts through repeated use on rough textures like cloth or leather.
Users should note that overly smooth surfaces may allow the ink to be erased easily. Always test on a small area first. Additionally, tightly covering the cap after usage is crucial to prevent the ink from drying out between uses.
Best for security and inventory management, this marker provides a reliable solution for hidden identification. Its versatility across materials and long-lasting ink make it a practical tool for businesses and organizations needing discreet labeling.
Versatile Surface Application
From paper to metal, this marker adheres well to most surfaces, ensuring your hidden messages stay put during storage or transport.
High Ink Volume
The large capacity reduces the need for frequent refills, making it efficient for extensive labeling tasks or large-scale events.
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4. Sakura Pen-Touch UV Paint Markers – Best Paint Coverage
Sakura Pen-Touch UV Paint Markers
Opaque coverage paint
Non-toxic certified
3 assorted tips
Low odor ink
These UV paint markers offer opaque coverage that dries clear under normal light. They provide the ease of a marker with the finish of paint. With three assorted tips, you can choose the perfect line width for your project on glass, wood, or metal.
Pros
- Opaque paint coverage
- Non-toxic certified
- Low odor formula
- Assorted tip sizes
Cons
- Paint dries clear only
- May cost more
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The ink is low odor and xylene-free, certified non-toxic by ACMI. This makes it safe for various creative projects, including gift labeling and artwork. The markers work on multiple surfaces with permanent adherence, ensuring your hidden marks remain secure.
While effective, the paint-like formula requires a steady hand for fine details. The tips vary from extra-fine to medium, offering flexibility. Note that once applied, the ink is durable and hard to remove, so plan your design carefully.
Ideal for artists and crafters, this set adds a professional touch to hidden messages. Its safe, durable formula and versatile tips make it a top choice for creative projects where precision and quality finish are priorities.
Paint-Quality Finish
The opaque coverage ensures visibility under UV light while maintaining a sleek, clear appearance in normal lighting conditions.
Safety Certification
Non-toxic certification allows safe use by younger users or in environments where chemical safety is a concern.
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5. Dual Tip Invisible Ink Marker Pen – Best Dual-End Option
Dual Tip Invisible Ink Marker Pen
Dual tip 0.7mm 1.5mm
Water based colorless
Pack of 2
Smooth writing
This dual-tip marker combines a 0.7mm fine tip and a 1.5mm medium tip in one pen. It offers versatility for detailed writing and broader strokes. The water-based ink is colorless under normal light and reveals under UV exposure, perfect for secure labeling.
Pros
- Two tip sizes in one
- Smooth writing experience
- Versatile for detail and bold
- Durable ink formula
Cons
- Capped on both ends
- Requires tight capping
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The smooth writing experience ensures no ink breakage, making it ideal for long messages. Each pen serves both precision and visibility needs. With a pack of two, you have backups for continuous use in inventory control or event management.
While convenient, both ends require capping to prevent drying. Users should ensure both caps are tightly sealed after use. The tips may wear differently depending on usage, so rotating the pen can extend its life.
Best for detailed security tasks, this marker provides flexibility in one tool. Its dual-tip design saves space and offers precision for small labels or bold text for larger areas, making it a practical choice for diverse applications.
Versatile Line Widths
Switching between fine and medium tips allows for coding with symbols or writing clear numbers depending on your labeling needs.
Compact Design
The dual-tip design reduces clutter, keeping one tool that handles both detailed and general marking tasks efficiently.
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6. 32 Pack Invisible Ink Pen – Best Bulk Value
32 Pack 2 Style Invisible Ink Pen
32 pack set
Built-in purple light
Batteries included
Safe for kids
This bulk pack offers 32 pens, perfect for large parties or classroom activities. Each pen has a built-in purple light, ready to use with batteries included. The ink is safe, tasteless, and washes easily, making it ideal for kids.
Pros
- 32 pens included
- Batteries installed
- Safe and tasteless ink
- Great for classrooms
Cons
- Disposable style
- Light batteries may run out
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The pens write secret messages that disappear, then reappear under the light. They work on t-shirts, paper, and skin. The button-cell batteries are replaceable, extending the life of the light. This set is excellent for treasure hunts or group fun.
While convenient, the pens are disposable-style and may run out of ink or battery eventually. Users should expect to replace lights as needed. The ink washes easily, which is good for play but may not suit permanent security needs.
Best for parties and education, this set provides high value and engagement. Its large quantity and safe ink make it the go-to choice for teachers or event planners needing multiple writing tools for activities.
Bulk Packaged Convenience
With 32 pens, there is plenty for every guest in a classroom or party, ensuring everyone can participate in secret writing games.
Kid-Friendly Safety
Non-toxic, tasteless ink ensures safety for children, allowing parents and teachers to use them without worry.
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7. EODVICS 7 Pack Invisible Ink Spy Pen – Best Budget Choice
EODVICS 7 Pack Invisible Ink Spy Pen
7 pack set
Slide switch UV light
Kid safe ink
Batteries included
This 7-pack offers a budget-friendly option with an upgraded slide switch for the UV light. The pens write secret messages that stay hidden until the light is used. They are safe for kids and suitable for parties or classroom activities.
Pros
- Slide switch light
- Safe water-based ink
- Good value pack
- Safety certified
Cons
- Small size for adults
- Limited tip size
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The water-based ink is odorless and safe for ages 3 and up. It writes smoothly and evenly on paper and skin. The slide switch design allows for steady light without constant button pressing, improving the user experience for children.
While affordable, the pens are small and may be harder for adults to hold for long writing sessions. The batteries are included, but they are standard button cells. This is a minor trade-off for the low price and fun factor.
Best for goodie bags and small parties, this set delivers high satisfaction at a low cost. Its safety features and easy-to-use design make it a top budget choice for parents and educators.
Slide Switch Design
Pushing the switch forward keeps the light steady, making it easier to reveal messages without fatigue.
Toy Safety Standards
ASTM certification ensures the pens meet rigorous safety guidelines for children's toys.
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8. Opticz UV Blacklight Reactive Marker – Best for Body Art
Opticz UV Blacklight Reactive Large Tip Invisible Ink Marker
Extra large body
Broad tip
Glow bright blue
Safe on skin
This marker has a broad tip and extra-large body, holding twice the ink of standard markers. It glows bright blue under UV light, creating a striking effect on skin or clothing. It is safe for use on skin, perfect for body art.
Pros
- Large broad tip
- Safe for skin use
- Bright blue glow
- High ink volume
Cons
- Not for fine detail
- Does not glow in dark
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Ideal for security marking like event tickets, it is semi-permanent and hard to remove. The ink dries fast and stays put. You must use a blacklight to see the glow, as it does not glow in the dark without UV exposure.
While great for bold designs, the broad tip is not suitable for fine text. Avoid sensitive areas like eyes and mouth. For general marking, its durability and high volume make it a strong contender for event management.
Best for parties and events, this marker offers a fun, bright alternative for visible-invisible designs. Its skin-safe formula and large capacity make it ideal for temporary body art or large-area security labeling.
Bright Blue Glow
The vibrant blue color under UV light ensures your marks are easily visible during blacklight events or checks.
High Volume Capacity
Extra ink means longer use without refills, perfect for marking multiple tickets or clothing items.
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9. MM-77 UV Security Marker – Best Premium Industrial Option
MM-77 UV Security Marker
Manufactured in USA
Valve action design
Large 10ml capacity
2.3mm bullet tip
This permanent invisible ink marker is designed for industrial and quality control use. The 2.3mm bullet tip ensures precise application on tools and equipment. Manufactured in the USA, it offers high reliability and durable bonding to most surfaces.
Pros
- Manufactured in USA
- Valve action design
- Large ink reservoir
- Permanent marking
Cons
- Higher price point
- Heavy body feel
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The valve action design prevents drying even if the cap is left off. With a large 10ml reservoir, it supports extended use and reduces downtime. It is ideal for assembly lines, identification tasks, and security marking.
While professional, the higher price and heavier body may not suit casual users. The ink is permanent, so removal is difficult. However, for businesses needing trusted performance, this investment pays off in reliability.
Best for industrial environments, this marker delivers professional-grade performance. Its permanent bonding and anti-dry features make it a top choice for security and quality control applications where reliability is critical.
Valve Action Technology
The valve ensures the marker stays ready to use, reducing maintenance and replacement needs.
Permanent Bonding
Ink that bonds securely prevents accidental smudging, ensuring marks stay visible under UV for long periods.
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10. edding 8280 securitas uv marker – Best for Geocaching
edding 8280 securitas uv marker
Round nib 1.5-3mm
Waterproof ink
Quick drying time
For almost all materials
This marker is ideal for geocaching and outdoor security. Its waterproof, wear-resistant ink dries quickly and stays put on wood, glass, or plastic. The round nib allows flexible line widths, perfect for marking hidden caches or museum items.
Pros
- Quick drying
- Waterproof ink
- Versatile tip
- Durable finish
Cons
- Sold singly
- No UV light included
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The ink is colorless and invisible unless viewed under UV light. It is safe for museums to deter theft without visible marks. Its durability ensures marks survive outdoor conditions. You must provide your own UV light to view the marks.
Since it is sold singly, you may need to buy multiples. The lack of an included light means you need a separate tool. However, the ink quality and versatility make it a top choice for outdoor or museum applications.
Best for outdoor and museum uses, this marker offers lasting visibility and security. Its waterproof formula and quick-dry speed make it practical for environments where marks face exposure to elements.
Outdoor Durability
Waterproof and wear-resistant ink ensures markings survive rain or handling, making it perfect for geocaching.
Quick-Dry Formula
Fast drying prevents smudges during application, ensuring clean marks even on porous surfaces.
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Buying Guide – How to Choose the Best Invisible Ink UV Marker Pen
Selecting the right invisible ink UV marker pen depends on your intended use, whether for security, parties, or industrial labeling. Consider tip size, ink type, included lights, and durability to find the perfect match.
Tip Size and Precision
Tip size dictates how detailed your marks will be. Fine tips like 0.7mm suit small labels or codes, while broad tips like 2MM or 3mm work for larger surfaces. Choose based on whether you need precision or visibility.
For detailed work, pick fine tips; for bulk labeling, choose broader tips.
Ink Type and Durability
Water-based inks are safer and washable, ideal for kids. Permanent inks offer security and resistance, better for industrial use. Check if the ink is waterproof and wear-resistant for outdoor or long-term applications.
Match ink durability to your environment to ensure marks last as needed.
Included UV Light Source
Some pens come with built-in lights, keyring lights, or none. Built-in lights offer convenience, while separate lights may be more powerful. Decide if you need an all-in-one tool or prefer buying a dedicated UV lamp.
Ensure you have a light source; built-in options add value but may be less bright.
Capacity and Refillability
Marker volume varies from small spy pens to large industrial markers. Disposable pens are convenient for parties, while refills or large reservoirs suit high-volume tasks. Check if the cap seals well to prevent drying.
High capacity reduces downtime, so check reservoir size for frequent users.
Surface Compatibility
Most markers work on paper, wood, and metal, but smooth surfaces may require testing. Check specs for skin safety if using for body art. Ensure adhesion on materials like plastic or leather for industrial tasks.
Test on your target surface first to avoid smudging or poor adhesion.
Safety and Certifications
For kids, choose non-toxic, ASTM-certified pens with odorless ink. For professionals, verify chemical safety for industrial use. Always review age recommendations to prevent misuse or safety issues.
Safety certifications provide peace of mind for children and regulated environments.
Pack Quantity and Value
Sets range from single pens to bulk packs. Single pens suit specific projects, while bulk sets offer better value for events or classrooms. Consider cost per unit when comparing options.
Bulk packs often provide better pricing for group activities or multiple needs.
Storage and Maintenance
Some markers require horizontal storage or tight capping. Check user instructions for care tips. Proper maintenance extends pen life, especially for high-cost or permanent markers.
Follow storage instructions to prevent drying and ensure long-term usability.
How to Use and Care for Your Invisible Ink UV Marker Pen
Write your message on the desired surface using the marker. Ensure the surface is dry. Let the ink dry completely before touching to avoid smudging. If using a separate UV light, shine it over the writing to reveal the invisible mark.
Store the marker in a cool place, ideally horizontally. Always recap tightly after use to prevent the tip from drying out. For markers with batteries, remove them if not in use for long periods to avoid leakage.
Test the pen on a small area before full application. If writing on skin, wash after use if desired. For permanent markers, note that removal may require special cleaners. Maintain your tool by keeping tips clean.
Frequently Asked Questions
Are invisible ink UV markers safe for kids?
Many options are non-toxic and water-based, making them safe for children aged 3 and up. Look for ASTM certifications and odorless formulas. Always supervise young children to prevent ingestion or misuse.
How do I reveal the invisible ink?
Use a UV or blacklight source to reveal the ink. Some pens have built-in lights. Shine the light over the writing to make the message visible. Ensure the light is strong enough for the ink to glow.
Can invisible ink be washed off?
Water-based inks often wash off easily from skin or fabric. Permanent markers require stronger cleaners. Check the product description for washability before use to decide based on your needs.
Do these markers work on all surfaces?
Most work on paper, wood, and metal, but results vary on smooth surfaces. Test on a small area first. Some markers are better for specific materials like leather or glass.
How long does the ink last?
Ink longevity depends on the marker type and storage. Permanent inks can last years on non-porous surfaces. Store pens properly to prevent drying, and replace batteries in lighted pens as needed.
Can I use these for security marking?
Yes, many are designed for anti-theft and inventory control. They remain invisible to thieves but visible to owners with UV light. Choose durable options with permanent ink for reliable protection.
Final Thoughts on Choosing the Best Invisible Ink UV Marker Pen
The top picks like SureMark for precision and EODVICS for budget offer strong value. Each choice suits specific needs from party fun to industrial security. Review the pros and cons to match your use case.
Prioritize tip size and safety if using for kids. For business needs, focus on durability and ink capacity. Ensure you have a UV light source for visibility.
Prices and availability vary. Check current listings for deals. With the right choice, you can create fun secrets or secure your assets effectively.