It is 0.50mm thick (0.020 inches). (I measured with digital calipers.) This is slightly thicker than a business card (300gsm or 0.014 inches.) - about the thickness of 5 sheets of paper.

3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Multi-Purpose Food Grade Silicone Placemat. Black & Gray & Beige (15.7 x 11.8 inch)

3 Pack Large Silicone Sheets for Crafts, Liquid, Resin Jewelry Casting Molds Mat, Multi-Purpose Food Grade Silicone Placemat. Black & Gray & Beige (15.7 x 11.8 inch)

Q: Can I cut one of these silicone mats to have smaller mats?

Yes, I have in the past and buying these to do the same thing. Easy to cut with regular scissors

Q: Is there fiberglass inside?

The contents say "silicone." They feel like silicone - very thin and flexible. I use mine under sensitive electronics to reduce the risk of static electricity. I think it would be safe to say that there is no fiberglass inside.

Q: if I applied one or all of these to a paper towel holder rod would it keep the paper towel roll from spinning on the rod?

Haven't done it but wouldn't be surprised if it helped. Both sides of the sheets are quite non-slip. You would only need one (of the three), as they are large 12" x 16".

4.5/5

Product ID: 433788223

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Details

Material
Silicone
Colour
black
Brand
TDHDIKE
Shape
Rectangular
Product Dimensions
39.9L x 30W

🔥Heat resistant up to 446℉

♻️Eco-friendly, food-grade material

🛡️Durable, tear-resistant silicone

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Description

🖤 Craft, cook, and conquer with silicone sheets that keep up with your hustle!

EFFORTLESS CLEAN UP - Non-staining, washable silicone that wipes clean with just warm soapy water
PRO GRADE HEAT SHIELD - Withstands extreme temps from -20℉ to 446℉—oven, microwave, fridge safe
CRAFT CULINARY READY - Perfect for resin casting, jewelry making, and as a multi-use kitchen mat
SPACE SMART FLEXIBILITY - Lightweight, foldable, and easy to store—carry your creativity anywhere
TRIPLE TONE VERSATILITY - Three stylish colors (Black, Gray, Beige) to match any creative or kitchen vibe

This 3-pack of large, food-grade silicone sheets from TOPODO offers a durable, heat-resistant, and eco-friendly solution for both professional crafts and kitchen use. Sized at 15.7 x 11.8 inches, these non-skid mats come in black, gray, and beige, providing versatile style and functionality. Resistant to temperatures from -20℉ to 446℉, they are perfect for resin casting, jewelry making, and as protective kitchen mats. Flexible and easy to clean, they fold up for convenient storage and transport.