Square Coaster and Holder -Has thickened the 4 square coasters resin to maintain their original shape. the storage box exquisitely shaped can square coasters in place while the opening allows you to pull out each piece with ease. Wooden Support Silicone Coaster - Are you worrying about the epoxy cannot maintain its original shape? Silicone square mold will come with 4 wooden support frames, with lock corner construction. Fast, easy setup will keep resin stay in good shape. Sturdy Epoxy Resin - These epoxy coaster are made of high-quality silicone material with excellent elasticity, which can withstand temperatures of -67F~428F, superior high tear strength, very flexible and durable. 3.54 x 3.54 x 0.35inch of the coaster , 4 x 2.8 x 1.57inch of the holder . Suitable for Many Uses - Silicone coaster for resin are compatible with many casting materials, especially good for epoxy resin, casting resin, not for coating resin. The finished coaster is perfect for use in the household, at work, for the meeting room, celebrations and social events. Colour: transparent Material: silicone Package Contents: 1 x storage box 4 x coaster 1 x wooden frame 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.