Made Of Stainless Steel With Copper Plated Inner Double Wall Construction For Insulation Of Hot Or Cold Liquids Keeps Drinks Cold 9+ Hours And Hot 3+ Hours Vacuum Insulated Holds Most 12 Oz Cans And Glass Bottles Including Beer, Soda And Sparkling Water Non-Slip, Scratch Free Silicone Base Fits Most Standard Cup Holders Swig Life Is A Certified SWaM Owned Business Women Owned Meets FDA Requirements BPA Free Dishwasher Safe