This unbelievably lightweight yet fully featured luggage collection by Delsey features a lightweight graphite frame made with the same material used in the contruction of golf clubs and tennis rackets. The main material is constructed of durable 1682 Bullet Proof™ Ballistic Dupont Teflon® protected nylon with EVA foam backing. Trolleys expand up to 2 1/2 inches to allow for additional packing space. Fully lined, removable suiter, tie down straps, two interior mash pockets and wet pack for easy storage and security. A recessed, locking Trolley™ handle made of industrial aluminum has an easy access push button to lock and release with ease ("One hand operation"). Protected and recessed Velocity™ in-line skate wheels for an easy roll and long lasting service. The Tote-a-Long™ clip with adjustable webbing strap allows additional bags to be carried effortlessly. Lifetime guarantee.