This nifty GSI Outdoors Escape Collapsible Cup is a backpacking essential. It keeps coffee hot, can be a measuring cup, and collapses down to just 0.7 inches high to fit nicely in even the smallest hiker's pack. Backed by a lifetime warranty. Collapsible design shrinks to 0.7" (17 mm) high disc for effortless packability; Expands to 3.6" high. Sturdy nylon rim and base maintain their form to prevent unexpected sloshing or spills. Molded in graduations for easy measuring and portioning.