The Expedition is made for professional guides in charge of very large groups on extended trips. An extensive and deeply stocked array of medications, bandages, and dressings address day-to-day minor injuries and illnesses, while a selection of hospital-quality tools provide more advanced care. A 600-denier nylon bag with urethane clear-view windows with a -28 C cold crack rating is built for alpine environments, and a detachable inner kit is perfect for summit duty. Trip Duration: 1-15 people / 130 days. Size: 16" x 10" x 8". Weight: 4 lbs 15 oz.