J World 18" Double Pocket Rolling Backpack * Product Material: 600D Polyester * Product Weight: 4.50 lbs. * Recessed three stage locking handle with push button * Soft and noiseless wheels for stable and controlled motion * Air mesh cushion padded shoulder straps and back with slip-in system * Color matched bottom mold for protection * Padded grip handle * Side mesh pockets for water bottle * Organized front pocket with pencil holder, key fob, and mesh pocket