The 21″ carry-on trolley ULYSSES B|Y collection from Bric’s. This stylish yet urban looking carry-on is made out of Polypropylene. This is a very strong, durable and light weight material that guarantees resistance to shocks and scratches. A functional carry-on trolley that makes it the perfect companion for every trip. Exterior Made of Polypropylene, ultra durable, lightweight and flexible. Handle Comfortable ergonomic and functional 3 stage telescopic handle selected via a press-stud button. Interior A two compartment interior is fully lined with a printed lining. One side with a full zipper section and mesh pocket, the other with a stretchable strap to hold all your belongings in place, a smaller pocket for smaller accessories and a shoe/laundry bag. Lock A flushed built-in TSA approved lock required while traveling in the USA; it allows American airport security to inspect the luggage without damaging the bag using a universal key used by the TSA security only. Wheels Four double swiveling wheels with a matching color cap that give a wider radius allowing an easy 360° rotation in all directions. Details USB port to allow you to carry your own battery to be able to charge your phone or tablet; an expandable zipper (up to 2 inches), hidden name tag, top carry handle with custom cap with BY logo in matching color. Specs WEIGHT (LBS) 5.9 HEIGHT X WIDTH X DEPTH (IN.) 21 x 14 x 9 (10.5) IS THIS ITEM EXPANDABLE ? Y EXTENDED DEPTH (IN) 10.5 TOTAL VOLUME (LITERS) 40 (45) EXTERIOR MATERIAL Polypropylene INTERIOR MATERIAL 100% Polyester