Perfect for all types of crafting materials - The Sculpey Tools Bezel mold is perfect for use with all types of crafting materials including: polymer oven-bake clay, Liquid Sculpey, resin, plast of paris, craft soap and candle wax. Tips for using the Sculpey Tools Oven safe silicone Bezel mold - - Oven bake clay - roll clay into a ball, press into mold, trim off excess using a clay blade. Make sure clay is flush with the top of the mold. - If air bubbles develop under the clay, gently pop them using a clay blade. - Liquid Sculpey - Preheat the mold in oven for 15 minutes at 275 F. Fill the mold shapes with Liquid Sculpey. Tap the mold on the table to release any air bubbles. Pop the air bubbles using a needle tool or toothpick. Maximum Creativity - H20- The oven safe silicone bezel mold has 3 shapes - Circle, Triangle, and Tear drop. These are popular shapes for jewelry making. - Three sizes of the shapes allow for unique jewelry designs sizes include - .75", 1", and 1.25". These sizes correspond with the sizes in the Sculpey Tools Cabochon mold. - Once your bezels are made you can fill them with any materials you want - oven bake clay, Liquid Sculpey and even resin for unique looks.