Just the right size for little hands, this Hydro Flask 12 oz Kids Wide Mouth 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 when recess or practice wraps up, the perfect refreshment is waiting on the sidelines. With a colorful, easy-to-clean Straw Lid and a durable Flex Boot, this is the perfect companion for any adventure-big or small.