Make transitioning from breast or bottle feeding to cup drinking easy with the NUK First Choice Learner Bottle, featuring a spill-proof spout to minimize mess. KEY FEATURES: ‣ Soft, silicone spout designed for easy drinking by little mouths ‣ Spill-proof design to reduce messes during mealtime ‣ Includes NUK's Anti-Colic Air System to help prevent gas and colic ‣ Suitable for ages 6 months and older