The NUK First Choice Learner Bottle can hold up to 150ml and comes with NUK ergonomic handles. The ergonomic handles were specially made for little hands to easily and independently grasp them. The silicone spout is leakproof and is suitable for ages 6-18 months. NUK Temperature Control: The display ensures that the drinking bottle is not being drunk too hot. If the drink is too hot, the otherwise blue display turns white