Made Of Stainless Steel With Copper Plated Inner | Triple Insulation Technology: Double-Walled, Vacuum-Sealed And Copper-Plated | Keeps Drinks Cold 9+ Hours And Hot 3+ Hours | Holds Most 12 Oz Cans And Glass Bottles Including Beer, Soda, And Sparkling Water | Fits Most Standard Cup Holders | Perfect For Golf Enthusiasts | Swig Life Is A Certified Swam Owned Business | Meets FDA Requirements | BPA Free | Dishwasher Safe