Leak-proof: Anti-leak technology means your toddler's drink will never spill (even when they turn their cup upside down or shake it)​ Soft straw: The straw is made from soft silicone that's gentle on little mouths but still durable Double wall insulated: This sporty water bottle helps to keep their drinks cool while they play, learn and explore​ Designed for toddlers aged 12m+: The bright colorful design is made with growing toddlers in mind, and helps to keep them hydrated as they play, learn and explore​ Baby-safe and easy to clean: All pieces are dishwasher safe and BPA free