Recycled Stainless Steel Outer And Inner | Recycled PP Lid And Straw Material | Double Wall Construction For Insulation Of Hot Or Cold Liquids | Smooth Rubberized Finish | Screw On, Spill-Resistant Sip Through Lid | Push Button To Pop Lid Open | Tone-On-Tone Look With Matching Lid And Base | Easy Carry Handle | Meets FDA Requirements | BPA Free | Hand Wash Recommended