Eagle Creek Gear Warrior AWD International 21.5 Inch, Smoky Blue TREADED WHEELS. This bag has four oversized, heavy-duty, treaded wheels in a protective wheel housing and a durable kick plate for smooth mobility. Easily maneuvers through airports and hotels, as well as over unpaved, bumpy surfaces. ULTIMATE GEAR BAG. This luggage has a capacity of 38 liters, a unique Equipment Keeper to strap gear to the top of the bag, lash points for gear attachment, and a drop down bottom that maximizes packing space by utilizing the space in-between the wheels. EXTERIOR. This suitcase has a lightweight, anodized aluminum, dual-tube handle, which gives it a high strength to weight ratio, perfect for staying under the weight limit when checking luggage. For your security and peace of mind, exterior zippers are lockable with reflective pulls. RELIABLE. Built with a flexible Exo-Skeleton technology, this bag is both durable and lightweight. With reinforced hypalon material blocking, this bag has maximum abrasion resistance. DIMENSIONS. 7.75 x 13.75 x 21.5 in.