Features: High quality silicone, flexible and reusable. Thick enough, well resistant to tearing, hard to deform, pretty durable. High transparency and easy to use. Odorless, non-toxic, dust-proof, durable, non-permeable. Offer large space for adding various embellishment or fillers, like crystal, stone, dry flowers, glitter, sequins, pearl pigment, mica powder, or other elements you like. Easy to release, and store, just twist the coaster mold to push out the resin pieces when they fully cure. Some warm soapy water is enough to completely clean the mold. Just keep them away from direct sunlight. Mold only, other accessories demo in the picture is not included! Specifications: Type: Epoxy mold Model: 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20(optional) Material: Silicone Color: White transparent Size: 1: app.4.2 x 3.5 for cm/1.65 x 1.38 in;2: app.3.5 x 2.5 for cm/1.38 x 0.98 in;3: app.2.5 x 2 for cm/0.98 x 0.79 in;4: app.3.8 x 2.8 for cm/1.50 x 1.10 in(Please refer to the picture for detailed dimensions) Quantity: 1 Set Note: No retail package. Please allow 0-1cm 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! Package includes: 1 Set x Mold