Irregular shaped drinks coaster silicone mould is unsual and gorgeous. It is populr and perfect for DIY enthusiast. The silicone mould is compatible with solar resin, epoxy, wax, soap and other materials, applys in making small tray, drink coasters, beverage coaster, teacup mats, bowl mats, cup pad, onyx coasters, candle holders, etc. They are reusable and light weight, easily demolding with elasticity, and tear strength for long term storage; And it can be cleaned with soapy water or warm water.