This new generation classic mug is the best of both worlds with durable and hot drinks on the go. One hand is all that is needed to drink… Press to drink, let go and its leak-proof. And the bail handle slips over the button to prevent spills. Since 1913, we have been delivering superior food and beverage gear for rugged, active lifestyles and remain dedicated to this simple promise: buy STANLEY products, get quality gear. Built for life. Vacuum insulated. Keeps hot/cold 6 hours Double wall Stainless Steel construction One-handed operation. Open, drink, close with one hand Car-cup compatible Dishwasher safe lid. Lid disassembles for a proper clean