SUPER SILICONE MATERIAL & REUSABLE: Made of high quality food grade silicone materials, not easy to age and fade,ultra non-toxic, harmless and odorless, very flexible, safe for use. Reuseable moulds,super easy to clean and convenient to use. HEAT RESITANCE & SAFE: Heat-resisting, Wide range temperature resistance range from -40 to +230,safe for use in the oven, dishwasher, freezer, refrigerator and microwave. 16 CAVITY & CHESS SHAPE: Each with 16 cavity, international chess shape, easy to make DIY candy. It is a must have kitchen gadget for kids entertainment or holiday gift. NON_STICK & ENVIRONMENTAL FRIDENLY: Non-stick silicone molds easily releases polymer cubes with a simple twist, molds won't crack. Environmental protective, nonpoisonous and has no side-effect to the human body. WIDE APPLICATION & SUPER GIFT: Perfect gift for making small candies, soap,ice cube, wax, chocolates, hard candy, fondant crayons, yogurt treats, ice cubes with fruit juice, cake decorations, valentine's day, party favors, etc