Safe and Durable Materials- Each ice tray size: L 7.87 * W 4.53 * H 0.79 inches. Made of 100% food grade silicone, BPA free. It is soft and comfortable to handle and can come in direct contact with food. Easy to clean. Suitable for dishwashers, refrigerators, freezers and microwaves. Stackable and spill-proof lid- Our ice grid trays come with a removable lid that prevents spills and also prevents The contents absorb the odor or taste of the refrigerator. The lid makes the ice compartment easy to stack to save space and it won't get stuck. Clean and tidy! Not-stick design- The ice can easily separate from the non-stick silicone ice mould. Just one push, one ice cube can be pushed out of the mold. No need for awkward bending & twisting. Never worry about breaking the ice tray. High & low temperature resistance- Whether it is winter or summer, you can always use Our Large ice tray You can frozen drinks, or fill them with batter, and bake delicious muffins in the oven. Heat resistance-230 F, cold -40 F. Convenient To Use- This ice cube tray is a flexible tray that will NOT crack in the freezer. whether it is tea, coffee, milk, cocktails, champagne, brandy, or your own original, you can creatively use the liquid you used to make ice.