Zipper 40cm, 20 pieces, bulk sale. Black: Bag zippers with lock, 40cm, 20 pieces YKK 5c For bags: Handle part is large type With lock: Locks when the handle part is folded down Chalk marks are present on all items due to being factory surplus. Although unused, there may be discoloration and stains due to long-term storage. Stored in an environment with cats. Thank you for your understanding.