From Eagle Creek, the Expanse Convertible International Carry On Luggage features: Introducing an eco-friendly carry on as versatile as you are. The all-new Expanse Convertible International Carry On offers 2 ways to carry it, with zip away backpack straps for when you need to travel hands free, and wheels so you can roll it when convenient. Constructed using 100% recycled and bluesign certified ripstop, you can purchase this bag knowing it s a sustainable choice. Front zippered pocket for easy access Interior zippered mesh pocket with key clip Internal adjustable compression Heavy-duty lash points and grab handles External mesh ID pocket Lockable zippers with central lock point Telescoping handle Sternum strap with safety whistle Two heavy-duty wheels with reinforced corners Two carry options: Wheeled and Backpack with zip-away straps Attachment for modular Pack-It integration Specifications ( sold separately) External dimsions approx.: 21.25 x 13.75 x 8 in. / 35 x 54 x 20 cm Weight approx.: 5 lb. 6 oz. / 2438 g Internal capacity approx.: 2227 cu. in. / 38 L This is a calculated volume taken from the product dimensions. Actual dimensions and volume may vary slightly by product due to sewing tolerances throughout the production process. Materials: 100% Recycled 600D Polyester 100% Recycled 450D Polyester 1 00% Recycled 200D Polyester Imported.