1. 【Quality】 ： The ice cube tray is made of safe silicone of the highest quality and durability. This material has been certified by the FDA and the FGB. Please use the ice model (BPA free). The product is resistant to high and low temperatures, has no peculiar smell, is pleasant to the touch, is soft and thick and does not deform after prolonged use. 2. 【Airtight Lid】 ： Silicone ice cube tray has an airtight cover design which is dustproof and cool, prevents water from being sprayed and prevents strange odors from penetrate the ice cubes and cause taste contamination. You can also stack the ice cube tray in the refrigerator, which saves space and keeps the refrigerator clean and tidy 3. 【Easy Ice Cube Removal】 ： Thanks to the flexible base made of TPE material, it has independent cube design. It is easier to remove ice cubes than the plastic ice cube tray. You can remove the ice simply by pressing the bottom of the ice cube tray. Block without bending or twisting them. Each tray can produce 37 large ice cubes. 4. 【An Essential Summer Ice Cube Tray】 ： This silicone ice cube tray is an ideal tool that you can make yourself. When you receive our ice cube tray, you can not only use ice cube molds to make ice cubes, but you can also make delicious DIY food like ice cream, pudding and jelly yourself. You will enjoy a great ice making process! 5. 【What Can You Get】 ： Each set contains four, each ice cube tray can make 37 ice cubes, total of 148 ice cubes in one set. This product is easy to fill, use and clean. Note: If you have any questions about this product, please feel free to contact us. We offer you friendly customer service and perfect solutions.