Trolley of our firm Pierre Delone. It has a double function: backpack and trolley. Two wheels on the back and two bumpers to prevent it from falling forward It has 3 main zippered pockets, one of them with security system for padlocks, and two adjustable net pockets on both sides for water bottles, etc.Its padded straps have a safety lock in the chest area to prevent theft. Available with details zipper in 3 colors: RED, BLUE and GRAY