DIMENSIONS: 37x51x27 cm; CAPACITY: 34 lt Backrest: Padded and covered in fabric. Pallacci: Upholstered and covered in fabric. Front pocket, inside bottle pocket. Demountable trolley with maxi wheels of 10 cm, Crossover System with clips for attaching tapes, double telescopic bar with two height adjustments, reinforced bottom and corner protections. 3 Possible Uses: 1) Use backpack when completely unhooked from the cart. 2) Use backpack without unhooking the cart. 3) Use trolley with full retractable shoulder straps in the backrest. New custom rubber label with SEVEN's logo.