MaterialOur adjustable round buckle clip are made of high-quality metal materials,strong and durable,wear-resistant,and can be used for a long time.Size PackagingYou can get 2 sets of adjustable round buckle clip,The quantity can meet your needs.FunctionNot easy to rust, not easy to break.Easy to use, the ring opens and closes easily and locks to improve safety.Easy to fix.Easy to UseThe thumb booster makes it easy to add or remove files, and the O-ring allows you to quickly flip through diagrams and other materials.Be ApplicableIt is very suitable for binding and filing all types of documents, invoices, index cards, etc.Suitable for books, loose-leaf paper, scrapbooks, photo album binding formula DIY projects, etc.color: blacksize:225*15mmThe number of shipments: 2Note: Other items are not included here, other pictures only show the effectDue to differences between different monitors, the pictures may not reflect the actual color of the item.because of manual measurement. Please allow for deviations. Thanks