Simply insert the included straw to transform the ice tray into a portable water bottle ”perfect for hydration on the go Just press the bottle gently, and the ice cubes will pop out instantly The detachable parts make it super easy to clean, preventing any residue buildup This ice cube bottle is equipped with a straw, it can be used directly as a water bottle, no need to pour ice into other containers, insert the straw and drink, especially for the hot summer Made from PP, PET, and silicone, this bottle is safe, and durable.