Buddsbuddy Soft Spouts are designed for delicate gums and are the ideal first step from breast or bottle to a drinking cup. With easy-sip and easy to clean non-spill valve. Turn your Buddsbuddy feeding bottle into a sippy bottle for easy bottle-to-cup transition. Just remove the bottle Vent and replace the current bottle nipple with the bottle sippy spout for gradual learning. The simple-to-sip spout is 100% silicone and assembles in seconds. Easy clean, dishwasher (top rack) and sterilizer safe.