Food Grade Silicone - Silicone big ice cube trays are made of food grade silicone which is BPA free, nontoxic, odorless, and durable. You can fill the ice cube mold with fruits, ice cream, soda and wine to customize your favorite flavor. Its safe to touch food or drink directly, and effective in freezing liquids like fruit juice, soup, and even baby food. Removable Lids & No 100% Sealed - To avoid diluting the flavor and being contaminated in the refrigerator, we use removable silicone lids. For the reason that the volume will increase during the freezing process, and ice trays with covers might cause burst if the lids are sealed tight. Eco-Friendly & Reduce Waste - These ice cube trays are reusable and washable. It helps to protect our ground, rivers, and marine life, by reducing pollution of disposable plastic. Its meaningful to impress your family and friends to choose large silicone ice cube trays instead of the plastic one, as its reusable and easy to be cleaned and dried under the dishwasher. Simple Non-stick DesignCompared to the stiff plastic ice trays, our flexible ice trays are made of durable silicone. These large ice cube molds can be easily twisted or pushed from the bottom to remove ice cubes. Each Silicone ice cube trays includes 6 cavities, and 3 trays per pack. Flexible non-stick silicone material and independent cube compartment design make it easier to release large ice cubes. Simply get ice cubes out by pushing the bottom without bending or twisting.