This silicone coaster mold makes a square measuring approx. 90mm with a 8mm depth. Please check the sizing before purchasing to ensure it will work for your project. It would be perfect for pendants, keychains, or tags. Material: Silicone Please use heat cautiously. Mold can be damaged by sharp objects. Epoxy & resin should be properly cured before removal, sticky casts can damage molds - we do not replace molds that become damaged or torn due to improper casting. Please contact us if you have any questions! Thanks for visiting our shop! 90mm Square Coaster Silicone Mold, Geo Casting Mold For Uv Resin, Epoxy Embellishment Jewelry Kawaii, Trinket Dish Diy Home Decor