Vacuum-insulated stainless steel tumbler for lasting hot cold refreshment. The Hydro Flask Outdoor Tumbler gives you a stylish insulated travel cup for hot and cold drinks on the go. The tumblers sleek, durable design perfect for a range of activities from camping and picnics to home and office. Tempshield double-wall construction keeps beverages hot or cold for longer for lasting refreshment. Includes a press-in lid for sipping on the move.Style meets substance and functionality in this everyday tumbler from Hydro Flask.