This silicone straw topper mold makes a lip shaped straw topper measuring approx. 50x39mm with an opening of approx. 7x8mm. Please check the sizing before purchasing to ensure it will work for your project. It would be perfect for pendants, keychains, tags, or other decoden projects. 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! 50mm Lip Straw Topper Silicone Mold, Resin Casting Mold For Uv Resin, Epoxy Embellishment Jewelry Making, Drink Valentines