Material: The coaster mould for resin are made of high-quality silicone material with Acsergery excellent elasticity, superior high tear strength, very flexible and durable.with Acsergery glossy interior surface, makes it easy to de-mold after its fully cured and reduces the need to cut back and polish. .Easy to Demold: These silicone mould for resin with Acsergery a glossy interior surface, you just need to twist the silicone coaster mold and release your creation out of your epoxy resin mold when the resin is completely cured. .Enjoy The fun of DIY: Comes with Acsergery 8 pieces 2 style resin moulds silicone, square and round. It's can be used for making cup mat, small flower pot base, bowl mat, dish mat, geode coasters, agate coasters etc You can use the mold create your own great coaster molds for making by using your imagination and creativity. .Exquisite Gifts: The artworks made through resin coaster mould kit is the perfect gift to show your heart, since the hand-made art work full of your love and creativity The casting resin is large enough to add your favorite photos and other elements, as gifts for your loved ones as gifts for Christmas, Birthday, New Year or party, etc. .Exquisite Crafts: You could add some epoxy resin, resin dye and embed different kinds of fillers to create your projects with Acsergery your endless creativity. You can also add dried flowers, mica powder, pearl pigment, sequins and glitter into the epoxy resin moulds silicone to get a colorful art work. .