1. [Usage tutorial] First of all, please make sure that there is no dust and impurities in the resin coaster molds before use. Then, put your favorite decoration into the shape of the tray and fill it with epoxy glue. After the epoxy resin is fully cured, you can simply complete the work by twisting the silicone coaster molds.2. [High quality material] The conch shape resin coaster molds are made of silicone material, which are elastic, easy to clean, reusable, and not easy to damage. And the silicone bowl molds are widely used to make coasters, bowls, jewelry, bowl cushions, etc.3. [Easy demoulding] The interior is smooth and shiny, which reduces the need for cutting and polishing. After the curing. the finished resin product can be easily taken out after it is completely cured. Then, you can use the demoulding agent spray, which will help you extend the life of the silicone coaster molds.4. [Best gift] The resin coaster molds are cute gifts for resin crafts lovers, it can be special gifts for friends and family to enjoy resin crafts. It will bring more happiness to your daily life and you have your own tray craft.