This gems silicone mold is Ideal for use with a wide range of edible and nonedible materials, including sugar paste, petal paste, marzipan, fondant, butter, resin, polymer clay, wax, and soap. Easy to use, very flexible, non-toxic, and easy to clean. It can be used in the oven, dishwasher, refrigerator, etc. Cavities size between 0.50″ and 1.25″