Stainless Steel Outer And Inner | Stainless Steel Tumbler With Handle | Powder Coated Finish | Double Wall Construction For Insulation Of Hot Or Cold Liquids | Keeps Drinks Cold Up To 24 Hours And Hot Up To 8 Hours | Screw On, Spill-Resistant Lid With Straw Hole And 12" Straw | Vacuum Insulated | Meets FDA Requirements | BPA Free | Hand Wash Recommended