Material: The binder clips are made of metal, rust-resistant, sturdy, durable and reusable.Size: 3 sizes of binder slips, 25 mm/ 1 inch (10 packs), 19 mm/ 0.75 inch (50 packs), 15 mm/ 0.6 inch (90 packs), assorted sizes of binder clips can meet to your different using needsFunction: Bind all the scattered papers together to keep your files tidy and organized, different size binder clips are available to sort paper of different thickness, and the removable handle folds down for easy filing and storage; Metal binder clips can be a practical hangerUse: Paper clip holders suitable for office, home, school, especially for students, teachers to bind their documents, books, etc. handles can fold down for handling or can be removed for binding.Package Contents: 3 sizes: 2.5 cm, 1.9 cm and 1.5 cm, 150 pieces in total in a transparent box, convenient plastic container for storage and retrieval.