Great Material: Loose leaf ring is made of iron material, strong and durable, Multi-layer nickel-plated steel rings prevent rusting, color unfading.^ Size: 2 inch / 50 mm diameter (outer ring), 15 pieces loose leaf rings.^ Easy to Operate: Convenient to use just pull to open and squeeze to close; the misalignment occurred after opening, because the binder ring itself did not use spring or other elastic devices, in order to make the bite tightness after closing more tightly, so this design was used.^ Wide Application: Binder Rings are suitable for loose-leaf, memo filing, key rings, scrapbook, binding recipe, photos, book, sample book, scrapbook,sample holders, contract or file.^ No risk buy,If you have any questions after purchasing these ring clips, please contact us.