Marka Copper Vac Tumbler w/ SS straw 20ozThe Marka Copper Vacuum Insulated Tumbler features durable, double wall stainless steel vacuum construction with copper insulation, which allows your beverage to stay cold for 24 hours and hot for at least 8 hours. The construction also prevents condensation on the outside of the tumbler. Comes complete with the on trend, durable, powder coated appearance and a push on, see through, spill resistant lid with the silicone closure. The reusable straw is