This is a set of binder rings, which are made of stainless steel material, for use. The book binder rings are smooth and shiny, prevent rust, strong stretch and safety buckle design. The book binder rings suitable for classroom, company, office or home to fastening document stack, etc. Features -Color: Silver. -Material: Stainless steel. -Size: About 3.00X3.00X0.20cm/ 1.18X1.18X0.08in. - Made of stainless steel material, for use. - The book binder rings are smooth and shiny, prevent rust, strong stretch and safety buckle design. - They can make your files and books more orderly and make your study more clean. - 20pcs are enough to meet your various use demands. - The book binder rings suitable for classroom, company, office or home to fastening document stack, books, paper, photo album, keys, shower curtain hooks, scrapbook , cards, booklets , loose-leaf rings, memo filing, key rings, binding recipe, sample book, sample holders, contract or file etc. Package list: 1 x Set 20 Pcs Binder Rings