Do you think they will work well on rocks??

I bought these to use on rocks, smooth rocks. They worked good, but when I coated with clear nail polish-as I usually do with regular paints, everything melted and ran. I'm so disappointed. I'll try a regular spray sealer next, but I've always had better luck and a glossier finish when sealing with just regular nail polish-until now. . .

Would these work on a plastic cooler?

I suggest you sand the cooler to get a more rough surface then color over it

What are all the colors included in this? Is the color gray included? How thick/ wide is the line? I am looking for .7mm

Included colors are:Navy Blue, Light Blue, Purple, Forest Green, Light Green, Pink, Red, Yellow, White, Grey, Black, Orange, Light Orange and an Orange Cream color. Line is .9 ~ 1.3mm. The thinnest I've found in actual "paint" markers.

Is this good for painting glasses? Can you bake it on like acrylic paint?

Yes they will write on glass. I have used them on wine bottles. I also use them on canvas and rocks. Not sure about the baking part, never tried that.

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Uni- Paint Marker Pen - Fine Point - Set of 15 (PC-3M15C)

Product ID: 249542292

Details

Brand
POSCA
Ink colour
Assorted
Number of Items
15
Point type
Fine
Recommended uses for product
Coloring

🎨Works on 50+ surfaces

💧Water-based, non-toxic & waterproof

🔄Reversible dual-tip 0.9-1.3mm

R901

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Description

🎨 Elevate Every Stroke with Uni-Paint Marker – Where Precision Meets Endless Possibility!

SURFACE MASTERY - Professionally tested on over 50 surfaces including metal, glass, wood, and fabric—your go-to marker for every project.
SAFE CREATIVITY UNLEASHED - Water-based, alcohol-free pigment ink ensures non-toxic, waterproof, and fade-resistant artwork that’s safe for all ages.
DESIGNED FOR THE VISIONARY - Crafted in Japan with meticulous quality, perfect for professionals and creative enthusiasts who demand excellence.
VIBRANT BOLD BLEED FREE - Opaque, lightfast colors that won’t bleed through paper, making your signs, crafts, and designs pop with lasting brilliance.
DOUBLE THE LIFE DOUBLE THE PRECISION - Reversible bullet tips switch effortlessly between fine 0.9mm and bold 1.3mm lines for ultimate versatility and longevity.

The Uni-Paint Marker Pen Set of 15 features reversible fine bullet tips (0.9-1.3mm) for extended use, water-based non-toxic pigment ink that’s waterproof and fade-resistant, and is tested on over 50 surfaces including plastic, metal, wood, and glass. Manufactured in Japan, this set offers vibrant, opaque colors ideal for professional and creative applications alike.

Specifications

ASIN	B001ANVDMA
Additional Features	Fade Resistant, Non Toxic, Water Resistant
Age Range Description	3 years and up
Best Sellers Rank	#23,489 in Office Products ( See Top 100 in Office Products ) #269 in Permanent Markers & Marker Pens
Body Shape	Cylindrical
Brand	POSCA
Brand Name	POSCA
Closure Type	Snap
Color	Multicolor
Customer Reviews	4.7 out of 5 stars 11,389 Reviews
Global Trade Identification Number	04902778154878
Grip Type	Contoured
Hand Orientation	Ambidextrous
Included Components	15 markers in assorted colors
Ink Base	Water
Ink Color	Assorted
Ink colour	Assorted
Is Waterproof	true
Item Dimensions	15 x 5.6 x 7.6 centimeters
Item Weight	8.3 Ounces
Line Size	0_9-1_3mm
Manufacturer	Uni Posca
Manufacturer Part Number	PC3M15C
Marker Type	Permanent Marker
Material Type	Polycarbonate
Model Name	PC3M15C
Model Number	PC3M15C
Number of Items	15
Number of Pieces	15
Package Size Name	Set of 15 Ink Markers Posca
Pattern	Assorted
Point Type	Fine
Point type	Fine
Recommended Uses For Product	Coloring, Painting, Writing
Recommended uses for product	Coloring, Painting, Writing
Style	Fine Tips
Subject Character	no subject character
Surface Recommendation	Plastic, Metal, Wood, Glass
Target Audience	Students
Target audience	Students
Theme	Cartoon, Floral, Music, Rainbow, Superhero
Unit Count	15 Count
Water Resistance Level	Waterproof
Writing Instrument Form	Marker Pen

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R901

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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