Moving Buckle Rucksack Buckle Adjuster These are parts for adjusting the length of shoulder straps for bags, etc. They can be used for handmade projects. Plastic, Black 20mm width ✿ The quantity can be adjusted according to your needs. The price and shipping method may change depending on the desired quantity. If you want 5 or more, or less than that, please be sure to let us know in the comment section before purchasing.