Keep your little one hydrated on the go and at home with our HYDRATE big sipper on-spill, durable, 100% silicone spout is soft and gentle on teeth and gums and fully integrated with the valve, making it easy to clean and avoid nasty bacteria build-up Flip close hygiene cover protects the spout from germs and dirt when not in use and large 340ml base helps to keep them hydrated at all times of the day Designed to be easily disassembled and top rack dishwasher safe for easy cleaning and ultimate convenience.