Features: A Nice Collection - Introducing the latest coaster molds for resin casting DIY kit. Simple and Neat Design- The best thing about this resin coaster molds set is that the shapes are classic. Perfect Gifts - Our silicone coaster molds would be a nice gift for epoxy resin fans or you can use it to craft unique coaster kits and give them as Christmas, birthday or Mother's day gift. Material - These coster molds are made of high-quality silicone, flexible, durable and reusable. Easy to Operate - Soft and smooth interior makes it easy to de-mold after fully cured. Use a release spray or soapy water to release the mold, which will help protects it. Specifications: Material:Silicone Color:Clear Heart Shape Mold:13x11x1.3cm/5.1x4.3x0.51in Round Shape Mold:13x13x1.3cm/5.1x5.1x0.51in Package Includes: 4 PCSx Silicone Mold A/ 4 PCSx Silicone Mold B note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!