Material: Silicone Colors: white Size: Irregular shapeMulti size Package content: 4pcs Molds 1.You will receive 4 pieces of silicone coaster molds in different shapes, including round, square and so on, sufficient to meet your DIY demands. 2.Our silicone coaster molds are designed with holographic effect, built in holographic and laser surface, which will refract colorful colors, bringing a beautiful rainbow effect to your crafts. 3.These silicone molds for coasters can be applied for most resins and other casting materials, such as epoxy resins, cement, polyester resins, polymer clay and so on. 4.These holographic silicone molds not only can make coasters, but also can be applied for making many other items, such as jewellery, pendants, keychains, home decorations and so on, enhancing your hands on ability. 5.Our coaster molds for epoxy resin are made of silicone material, waterproof and reliable, stable in structure, not easy to break or deform, can be kept and applied for a long time.