Stainless Steel Outer And Inner . Double Wall Construction For Insulation Of Hot Or Cold Liquids . Screw-On, Spill-Resistant Lid with Straw Hole and 12" Straw . Keeps Drinks Cold Up To 24 Hours And Hot Up To 8 Hours . Vacuum Insulated . Meets FDA Requirements . BPA Free . Hand Wash Recommended. Height - 10"