... various kinds of accessories such as: bars, zippers, over-locks, handles, locks, bag fabric, etc. OEM/ODM projects are welcomed . ... LOCK, MORE SAFETrolleyinsert fixed,aluminum tube,more durable and lightWheels two expandable rubber wheels ,run smoothly) Carrying hand:Matach the ... on the top and side) Front Case:Expandable space with two big pockets,hold more things.accessoriesthere are many kinds for ...