Material : Our binder clips are made of strong steel, with smooth powder coat finish and nickel plated handles, durable and rust-resistant. Spring-tight: Spring-tight clip helps to keep large stacks of loose paper securely fastened together Widely Used: Our clips are quickly and temporarily bind stacks of loose papers.And keep all foods air closed. Reusable: Our clips could be reusable and easily removed with a pInch of the arms for full access to documents at any time. Application: Our binder paper clamps are suitable for office, home and school daily use. It can also be used for food clamps, clothes, furniture and outdoor applications. Binder Clips, for Home School Office Supplies

5/8 Inch(15mm)----30 sheets of paper3/4 Inch(19mm)----40 sheets of paper1 Inch(25mm)----55 sheets of paper1-1/4 Inch(32mm)----80 sheets of paper1-5/8Inch(41mm)----150 sheets of paper2 Inch(51mm)----240 sheets of paper