HIGH QUALITY MATERIAL: The coaster moulds are made of high quality silicone. It is safe, non-toxic, environmentally friendly, durable, washable, durable, soft, corrosion-resistant and odourless. Make your creations safer.Mould Polygon size: 19.3x18.4x2.6cm, Square size: 14.9x14.9x1.4cm. EASY TO USE: Simply mix the resin and hardener in the correct proportion, add decorations or fillers, and release the mould easily. Silicone casting moulds are easy to clean with water. You can add resin pigments or embed dried flowers, pearl pigments, mica powder and other decorations in the epoxy resin moulds to create personalised coasters. MULTIPURPOSE: These resin silicone mould coasters are not only suitable for making coasters, but also for ashtrays, all kinds of trays, bowl coasters and so on. It is the best gift choice for various festivals such as Christmas, Thanksgiving, Year and Valentine's Day. Colour:White Material:Silicone Package Contents: 1 x polygonal tray silicone mold 1 x square tray silicone mold Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.