The First Impressions Molds Assorted Gem Set #1 (GP101) will help you to create eight gems of various sizes & styles. The Gems that this mold makes vary in approximate size from: 1/2" to 1-1/4". These are perfect for any festive, bling or themed cake, Cupcakes and any number of projects. They can be used with a variety of mediums such as Gumpaste, Sugarpaste, Fondant, Hard Candy, Isomalt, Chocolate, etc. These molds are made from a long wearing food safe & easy to clean silicone in the USA by First Impressions Molds.