Features: Silicone Material: These Christmas tray coaster molds are made of silicone with surfaces, the finished products has a mirror effect. These resin casting molds are very flexible, easy to demold, reusable, easy to clean. Wide Range of Application: The resin coaster molds can be used to make resin coasters, resin bowl mats, trinket-tray, candle holder decorations etc. DIY Project: These silicone resin molds are compatible with most casting material such as epoxy resin, UV resin. You can add some resin pigment, resin dye to create personalized art craft projects in differnt ways. Great Gift: Such a great gift for yourself or someone you care about. Using these silicone resin molds set to make personalized coaster for your family, friend for unique Christmas gifts. Specifications: Material:Silicone Color:Blue/Clear Size:Approx.28.1x15.8cm/11.06x6.22" Package Includes: 1 Piece Silicone Mold note: Please allow 0-1cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.