SUPER EASY RELEASE - Simply press the elastic bottom and the ice cubes pop out, making releasing ice cubes easier than ever. SAFE AND PREMIUM - Made of food grade silicone, BPA free and LFGB certified, the ice cube trays are 100% clean and safe to use. 4 LIDS & STACKABLE - The non spill lids can prevent odors and preserve freshness, help you enjoy clean and fresh ice cubes. Stackble design, easy to store and keep freezer neat. 56 ICE CUBES AT ONCE - The set of 4 small ice cube moulds allows you to make 56 ice cubes at once (27 ml for each), perfect for baby food and chilling whiskey, cocktail, coffee and more. BETTER DURABILITY - Combined with hard plastic and flexible silicone, our ice cube trays are both durable and easy to use. Dishwasher safe, very easy to clean after use.