Spill-proof: Learning to drink should be fun, but it doesn’t have to be messy. To help prevent messy spills, this toddler water bottle has a two-piece, detachable non-spill valve Bite-resistant: The durable, long lasting one-piece spout is gentle on little mouths but tough enough to withstand tiny teeth Double wall insulated: The insulated base keeps drinks cold to encourage little ones to stay hydrated and helps them keep cool while playing Easy-hold: Designed with toddlers in mind, the ergonomic design allows your toddler to easily carry their bottle whenever they need to drink Easy clean and BPA-free: Our Insulated Sipper water bottles are easy to clean and are also sterilizer* and dishwasher safe. All our cups are BPA, BPS, PVC, Phthalate and Nitrosamine free