USE: Paper clip holder fit for office, home using, school using, especially for students, teachers to bind their documents, handles can fold up for handing or can be removed for binding value. WHY YOU NEED IT: How hard is it to keep track of all your paperwork without getting it mixed up? You can take several minutes just looking for a certain document. With our product not only can you secure tight your papers, but we offer you a free file folder so you can store it inside. DURABLE: These binder clips are made of very strong iron material, strong and extremely durable, black and silver color ADVANTAGE: Spring-tight binder clip keeps files bound together preventing papers from slipping or pulling out, tempered steel construction provides extra strong hold. Holds papers together without leaving the mark of a staple.