Two-pack: A choice of bottles for two different drinking experiences, perfect for helping toddlers build independence Leak-proof: This toddler cup has a two-piece valve that's specially designed to stop leaks, which can be removed from the spout cup for free-flow drinking Bite-resistant: The durable spout and straw are gentle on little mouths but tough enough to withstand teeth Double-wall insulated: The insulated base on this cup helps keep drinks cool while they play, learn and explore Stylish, practical design: Created for toddlers 12m+ and decorated with geometric patterns and bright pops of color. BPA-free and dishwasher safe