• Dual wall Stainless Steel construction
• Features a screw on, spill-proof AS plastic flip top design with Tritan snap locking closure lid
• Copper lined, vacuum insulated deep draw liner maintains optimal 8X drinking temperatures
• Lead-free vacuum seal
• Durable powder-coated finish with Stainless Steel top and bottom rim accents
• Sweat-free design
• 1-year limited warranty