Features: brand new and high quality Large Size Silicone Resin Molds - book organizer resin molds can keeping your books or movies, magazines, video games, vinyl records are vertically organized, so your books won'for t easily tip, keep your rack and bookcase tidy. Adorable Personalized Bookends - They are catchy and fun display pieces, you can make one-of-a-kind book stoppers, add character and delight to any shelf. Durable & Safety Materials - These epoxy molds silicone are made of silicone material with excellent elasticity, superior high tear strength, very flexibility and durability, they are non-toxic, safe and tasteless, easy to clean with warm soapy water. Different Uses - The finished bookends are both a book rack and a fashionable setting, can be used for decoration, photographing, can be placed in your study room, living room, office. These epoxy resin molds silicone are for many casting materials, especially good for epoxy resin, casting resin, not for coating resin. Tips - It's highly recommended to avoid using a torch/heater directly onto the resin molds as it will eventually damage the silicone resin molds. Package Includes: 1 Piece Silicone Mold Specifications: Material: Silicone Style: Rectangle/ Square/ Hexagon/ Round/ Heart Rectangle: Approx. 245x167x52mm/9.65x6,57x2.05inch Square: Approx.168x52mm/6.61x2.05inch Hexagon: Approx.198x267x52mm/7.8x10.51x2.05inch Round: Approx.197x52mm/7.76x2.05inch Heart Shape: Approx.203x211x52mm/7.99x8.31x2.05inch note: Please allow 1-2cm errors due to manual measurement,pls 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.