This lightweight 40L trolley bag is designed to maximize your carry-on packing. It features sturdy 80mm diameter wheels for tackling bumpy terrain, which are also easily replaceable with standard in-line skate wheels. The interior includes compression straps and a full-size mesh pocket. The trolley is constructed from durable 420D poly fabric and has two grab handles, plus a 2-stage telescoping anodized-aluminum handle. It is designed to be used with the Sport Expedition Bag, which slides onto the trolley handle. Additional features include a lockable main compartment zipper, YKK zippers, and molded foam logo detailing on the back. The bag is made of 100% Cotton.