1. It is made of high-quality silicone material, strong and , flexible, safe, not easy to break, easy to demould, and can be used for a long time 2. DIY round molds are used to make round coasters, drink coasters, bowl cushions, etc. You can add some resin pigments, dried flowers, pearl pigments, powder, burrs, dried flowers, pictures or sequins. The DIY process, let your imagination go crazy and create your own handicrafts 3. Very versatile! Perfect molds, suitable for epoxy coasters, small flower pot bases, candied fruit, plaster, cement and polymer clay, etc. You can also give them as gifts to your children, students, teachers or other friends for birthdays , Return to school or graduation gift 4.12 round silicone coaster molds, which can be used for a long time. Each coaster mold is easy to operate and can be cleaned with warm soapy water. The single size is 8.5 x 1.2cm