【Strong Flexibility】The silicone ice cube tray is designed with strong flexibility, ensuring it remains intact and undistorted during low-temperature refrigeration or when stretched and kneaded. 【Food-Grade Material】Our ice cube molds are made of premium food-grade silicone, BPA-free and odorless, they can be in direct contact with food, safe for drink and food making. Low and high temperature resistance (-24℃ to 230℃), safe to use in freezer, refrigerator, dishwasher and oven, ensures safety and durability. 【Stackable & Removable Lid】Design with removable lids for easy stacking, also keeping the ice cubes clean. Covered ice trays help prevent evaporation, over-freezing or contamination. These covered ice trays stack easily and neatly in the freezer without sticking, also keeping your freezer clean and neat. 【Easy to Release】The flexible silicone ice cube mold material shapes the bottom well, and the smooth inner and bottom wall design makes it easy to pop out ice cubes. Simply bend the tray and push out the individual cubes from the bottom. 【Easy to Clean】Smooth silicone surfaces make it easy to clean, you can put them in the dishwasher or rinse them with tap water without causing damage. Please note that only the tray is dishwasher-safe, but the lid is not.