resin molds, start your DIY handcraft time The set includes: 4 pcs Resin coaster molds Dimensions: 1# 4.8×0.36 inch 2# 4.7×0.36 inch 3# 5.1×0.36 inch 4# 4.7×0.36 inch Material: These epoxy resin molds are made of excellent quality silicone, soft, thick, elastic, good tear resistance, not easy to deform and fade, washable, very sturdy and reusable Suitable for making any DIY handmade works, a good choice for making unique crafts for friends and family Note: Don't use a heat or torch to speedily cure the resin, which will destroy the moulds To avoid the bubbles, just let the resin sit 5-10 minutes after stirring the resin Please allow 1-3 mm size error due to manual measurement Our products have been secondary packaged and inspected, if there is any problem with our silicone coaster mold, please tell us, we will solve your problem within 24 hours Geode Resin Coaster Molds:4 pcs different sizes round silicone molds;The diameters of 1-4# coasters are 4.8"4.7"5.1"4.7"respectively;The height is both 0.36";They have geode shape and irregular edge,which make finished handcrafted items more unique Qualified Material: Our geode resin mold is made of excellent quality silicone, which is thick,flexible and reusable;That makes your resin art easy pop out and demold after fully cured More Usages: These resin coaster molds can be used to make coasters,bowls mats,geode coasters,candle holders,home decoration,etc Smooth Inner Surface:The inner surface of the epoxy resin coaster molds is smooth;so the finished resin crafts will have a mirror effect,looks smooth and shiny DIY Crafts: Unique craft may be a good choice for friends ,family or resin craft lovers to celebrate Anniversary,birthday,housewarming,Mother's day,wedding or other festivals