DIY Coaster Molds: Use your imagination to create the mug mat you like. Just pour the resin into the mold, add various pigment powders, resin dyes, dried flowers or any other item you like. High Quality Silicone Resin Mold: Our round silicone coaster mold is made of high quality epoxy silicone resin, which features strong flexibility, softness and reusability. Easy to unmold and clean. Do not use no heat gun to quickly harden the resin, otherwise the mold will be damaged. Wide Application: Our resin molds for resin casting can be used to make various crafts, such as agate coasters, coffee cup mats, candle holders, coasters, etc. Best DIY Gift: You will receive 4 Round Silicone Coaster Molds and 1 Coaster Storage Box Mold. Make full use of your artistic talents and create the most beautiful works of art for your family and your friends. Do not hesitate to share your finished products with us to inspire the creations of other customers.