Recycled Stainless Steel Outer And Inner. Double Wall Construction For Insulation Of Hot Or Cold Liquids. Vacuum Insulated. Screw On, Spill-Resistant Sip Through And Sip Top Lid. Push Button To Pop Lid Open. Tone-On-Tone Look With Matching Lid, Handle And Base. Non Slip Bottom. Meets FDA Requirements. BPA Free. Hand Wash Recommended. Stainless Steel Tumbler With Handle.