The Urban Peak® 16 oz. Keystone Metallic Vacuum Tumblers will be your new favorite go-to drinkware piece! Slender design is retail inspired and includes these features: Copper lined, vacuum-insulated deep draw liner maintains optimal 10X drinking temperatures, dual walled Stainless Steel construction, lead-free in all accessible components, features a screw on, spill-proof AS plastic flip top design with Tritan snap locking closure lid, durable powder-coated finish with metallic color top and bottom rims, sweat-free design, 1-year limited warranty, patent pending.