1.Safe Material Silicone ice cube tray is made entirely of high quality, ecological, food grade BPA silicone. It has no taste or smell, so you will never feel a strange aftertaste in your unique drinks and cocktails. Food silicone is resistant to low and high temperatures. It is extremely flexible so the ice cubes are easy to release. 2.Instant Freezing Ice cube tray with cup shaped lid allows the ice cube to cool drinks much faster and more efficiently than the ice cubes in drinks. Because by pouring your drink, cocktails, beer or whiskey, you will constantly come into direct with the ice from all sides and do not let it cool, because the ice cube tray with lid works like a thermos flask. 3.Unique dimension – ice cube trays cups with ice very effective chilled drinks or wine. The entire ice cube tray has a compact size of 12.1 cm x 24.5 cm x 1.1 cm and enough for up to 40 ice cubes. They literally fit in any glass, mug or other vessel. 4.Easy to clean The silicone is very easy to clean. A short wipe with a damp cloth is enough. If you choose this ice cube tray, you don't need to scrub the ice cube trays for many hours after use. The beer ice cube mould is easy to clean under hot water or directly on the dishwasher as this material does not melt or deform inside. Rinse the mould well with warm water before first use.