Made Of Stainless Steel With Copper Plated Inner | Double Wall Construction For Insulation Of Hot Or Cold Liquids | Screw On, Spill-Resistant Lid With Easy Carry Handle | Wide Mouth Opening | Vacuum Insulated | Keeps Drinks Cold Up To 24 Hours And Hot Up To 3 Hours | Fits Comfortably Into Backpacks, Diaper Bags And Cup Holders | Non-Slip Bottom | Removable Silicone Base | Condensation Free | Swig LifeTM Is A Certified SWaM Owned Business | BPA Free | Dishwasher Safe | Meets FDA Requirements