FUNtainer Stainless Steel, Insulated Straw Bottle – Blue – 12 oz.Thermos brand products offer superior cold retention that keeps beverages cool and delicious for hours, and the 12 ounce FUNtainer Straw Bottle is no exception. Thermos vacuum insulation technology virtually eliminates temperature change within the beverage container by creating an airless space between two stainless steel walls. The result is an insulation layer that performs better than any other. A superior insulated container you can depend on to keep your child’s beverages colder, fresher, longer. This hydration bottle keeps beverages cold up to 12 hours – more than 10 times longer than an ordinary plastic water bottle.Constructed with double wall stainless steel, this 12 ounce straw bottle is virtually unbreakable and built to withstand the demands of everyday use. Featuring a hygienic, push-button lid, this straw bottle is easy to open and drink from. Also included on the lid is an integrated, flip-up carrying loop.Features:Vacuum insulation technology for maximum temperature retention, not for use with hot liquidsDurable stainless steel interior and exteriorHygienic push button lid with pop-up straw and integrated carry handleKeeps cold 12 hours12 ounce capacity; hand washing recommended.