Enjoy a beverage by drinking through the push-on lid with slide closure, or place a 12oz can inside the tumbler. You choose! 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 Arctic Zone - Titan Thermal HP® 2 in 1 Cooler 12oz