Just the right size for little hands, the Hydro Flask for kids is made with the same stainless steel and double wall vacuum insulation as their bigger bottles. Every sip stays icy cold for up to 24 hours - so the perfect refreshment is always waiting on the sidelines. With a colourful, easy-to-clean Straw Lid and a durable Flex Boot this is the perfect companion for any adventure - big or small.