* 18/304 rust-free stainless steel construction with powder-coated matte finish * Wide-mouth lid is 100% BPA-free Tritan™ plastic with silicone sipping cap * Double-walled insulated * Copper-lined to keep beverage hot up to 10 hours and cold for 20 hours * Ergonomic wide metal handle made of zinc alloy for strength and durability * Condensation-free surface with compact size that is designed to use with most standard single serve coffee makers such as Keurig * Hand wash only * FDA certified