This 20oz tumbler features durable, double-wall stainless steel construction with copper vacuum insulation, ensuring your beverage stays cold for up to 24 hours or hot for up to 8 hours. Its powder-coated finish prevents condensation from forming on the exterior wall of the tumbler, while its shape helps provide a comfortable grip. The Hugo Copper Vacuum Tumbler with Powder Coating comes with a push-on Tritan lid that has a swivel closure, removable upper portion, and easy-to-clean wide opening.