• Copper lined, vacuum insulated deep draw liner maintains optimal 10X drinking temperatures
• Dual walled Stainless Steel construction
• Lead-free vacuum seal
• Features a screw-on lid with metal handle and a built-in flip straw
• Includes two detachable internal PE straws
• Sweat-free design
• Powder-coated finish with a Stainless Steel top rim
• 1-year limited warranty