PRICES MAY VARY. What You Get - 4 pcs Round Coaster Molds. Size:3.81'', Depth: 0.86'' 0.86'' Deep Resin Coaster Mold - The coaster is thick enough that you can put in a lot of things to create, like flowers, shells,stones, beads. Anti-adhesive interior surface - These coaster molds are made of silicone with shiny surface, the finished products has a mirror effect.These resin molds for coasters are made of 100% silicone which means they’re highly durable, and they can be used over and over…