The NUK Dumbo Kiddy Cup has a spout made of a resilient synthetic material to withstand little teeth and it is particularly durable. The NUK Kiddy Cup has a contoured shape makes it easy for little hands to grasp and hold. It is very simple to remove the leakproof and easy-functioning vent from the top, for easy and thorough cleaning. With a flexible connection to the top, the cap is guaranteed not to get lost. The cup and its components are dishwasher-proof.