BPA-FREI is made of food grade silicone, LFGB and FDA approved for adult and baby food. Compatible with refrigerator, oven, dishwasher, freezer and microwave. Plus, the molds are freezer- and oven-safe and can withstand temperatures from -40 to 230, so you can use them as candy molds, chocolate molds, or baking sheets for small treats. Easy de-icing The soft silicone material of the ice cube tray can well shape the bottom of the ice cube so that the ice cubes can be easily removed. Unlike traditional plastic ice cube trays that are prone to cracking and aging. Take them out of the freezer, stretch them a little from the 4 corners, and you can pour out all the ice with ease. 3 different shapes of ice cubes Long Ziming's improved ice cube tray with lid contains 6 large round ice cubes, 6 large square ice cubes and 37 small ice cubes. Create more ice cubes that can be used in whiskey, cocktails, yogurt/baby food, jellies, ice cubes and anything you like. Perfect for families, parties and bars etc. Oversized Ice Cubes and Pucks You can make oversized, slow-melting ice cubes and pucks to cool your drinks overnight. In addition to water, you can fill the molds with fruit, ice cubes, soda water, or wine. Leak-Proof Bump Design The 6-fold puck mold comes with a funnel-shaped hole so you can take it straight from the tap or with a measuring beaker or syringe. Be sure to align any imperfections and seal holes and edges before filling with water or other beverages. Oversized Ice Cubes and Pucks You can make oversized, slow-melting ice cubes and pucks to cool your drinks overnight. In addition to water, you can fill the molds with fruit, ice cubes, soda water, or wine.