Fuel your wild spirit—even when you’re stuck at your desk. The Iron Flask 16 oz Nomad Tumbler is finished with a powder coating in a variety of colors to please your peepers, while the double-walled vacuum insulation keeps your beverage cold for 12 hours and hot for 3 hours (long enough to snap you back to reality when you need it most). This rugged stainless steel tumbler comes ready to rock with a leak-proof flip lid perfect for sipping hot coffee or tea, and a splash-proof straw lid with two straws for gulps on the go.