YKK Metal Fasteners 20 pieces, 18cm each, bundled together. These are unused, but please understand that they have been stored at home. The opening and closing function is not an issue, but they have been stored for a long time, so I would appreciate it if those who understand this would consider purchasing them. *If you are considering purchasing multiple items, they can be shipped together, so please inquire before purchasing. *If you would like 15 or more, please let me know your desired type, number, color, etc. of fasteners, and I will create a dedicated listing for you, although it will take a little time. Shipping is closed on Saturdays, Sundays, and holidays. #YKK #Fastener #Assortment #Handmade #Sewing #SewingMachine #Handmade #Zipper #Short #Long #Bundle #MetalFastener #MetalFastener