Simple Modern Trek 40oz Stainless Steel Lidded Tumbler Powder Coat

Vacuum Insulated: The Simple Modern Voyager mugs are double-walled and vacuum insulated, which keeps your favorite beverage hot or cold for hours Insulated Flip Lid Included: Our internally threaded flip lid is leak proof, making this cup great for hot or cold beverages at home or on the go Premium 18/8 Stainless Steel: Mug is made from high-quality, food-grade 18/8 stainless steel and is coated in a durable finish Premium Copper Coated Insulation Layer: The exterior of the inner wall, in the vacuum sealed area, is coated in copper for additional insulation