[High quality] These round coaster are made out of flexible, sturdy and durable silicone, which makes it easy to release and clean up with soap and water. [Durable and not easily deformed]Our are made up of pure silicone with excellent elasticity, superior high tear strength, etc. After squeezing and deforming, just rest for a while and then will return to the original state. [Easy to use]Even if you are new to casting resin, you can use these very easily.The interior of these resin are very smooth and shiny,reducing the need to cut back and polish finished resin items. After your project is fully cured it will be easy out of your resin mold. [Wide application]The resin casting mold is very versatile in its usage! Perfect mold for epoxy resin coasters, small flower pot base, conceret, plaster, cement and polymer clay etc; use this mold to make unique handicraft gifts for your loved ones and friends that they will absolutely love. [Silicone coaster ]This resin include 2 round mold and 2 square mold, great for your different diy craft projects, the perfect kit for the handicraft DIY lover and the newbie to the resin, quality material allows for your sustainable use. Colour: transparent white Material: silicone Package Contents: 2 * Round Mold (90x90x9.5 mm) 2 * Square Mold (90x90x9.5mm) Only the above package content, other products are not included. Note: Light 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.