(1)Material:Nylon (2)Linging:210D (3)Internal aluminum system (4)Coffee /black /red/Purple is available (5)OEM/ODM ... black color, with handle top and side with telescopic aluminum trolley system.Divider with net compartment,combination lock ,two casters inside ... to twist, can be repeated to pull thousands times. Trolley: Aluminum alloy trolley, which produce standard, can bear about 60kgs pressure, ...