The NUK Learner Cup easily promotes a natural transition to baby's first cup. This learner cup features a spill-proof soft spout that is gentle on teeth and gums, and it includes an air vent that helps reduce swallowed air. The cup also comes with easy-to-grip, removable handles that your growing child will love. NUK Learner Cups are BPA-free and dishwasher-safe. Our 5-oz. learner cups are recommended for ages 6 months and older.