Made Of Stainless Steel With Copper Plated Inner. Patented Texture Finish. Double Wall Construction For Insulation Of Hot Or Cold Liquids. Keeps Drinks Cold For 9+ Hours And Hot For 3+ Hours. Holds Most 12 Oz. Slim Can Beverages Including Hard Seltzers, Beer, Energy Drinks, Sodas And Sparkling Water. Perfect For Golf Enthusiasts. Non-Slip Bottom. No Condensation. Swig Life™ Is A Certified SWaM Owned Business. Meets FDA Requirements. BPA Free. Dishwasher Safe. Women Owned.