Total 10pcs Coasters Resin Molds Set: Package including 4 pcs round coaster molds, 4 pcs square silicone molds for resin, 2 pcs coaster holder molds. Need Approx 21 oz Resin. The number of coasters is just right, the height of stacking together will not exceed the storage box, 2 different shapes can bring a variety of styles to your dining table. The coaster holder molds will keep them neatly stacked when not in use..Upgrade Resin Epoxy Molds: These resin molds silicone has upgraded the outer circle of the edge, the storage box will not deformed. It's highly recommended to avoid using a torch/heater directly onto the resin molds as it will eventually damage the resin epoxy molds silicone..Durable Silicone Material: LET'S RESIN has thickened the coasters resin molds and upgraded the thickness to 0.12inch. These epoxy coaster molds are made of sturdy silicone material with excellent elasticity, very flexibility and durability..Suitable for Many Uses: LET'S RESIN epoxy molds silicone 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..Better with LET'S RESIN: We are driven to create more innovative products and provide more reference ideas for DIY craft enthusiasts. Whether you are a novice or an experienced resin artist, you can get all kinds of DIY inspiration from LET'S RESIN. We also offer a 60-day return and money-back guarantee, attentive servide gives you peace of mind!