Function: The foldback clips for paper are made of metal steel. Paper clips can hold documents together to prevent the paper from slipping or pulling out. Help your work easier and make your work more planned. Applicable Scene: Binder clips are fit for office,home,school,etc. Good to keep the file, paper, photos. The assorted coloured metal clips can help you better differentiate your purposes and quickly find the files or other things you need. Quantity and Size: 24pcs x 41mm/1. 61" in one box, 24pcs x 32mm/1. 25" in one box, 48pcs x 25 mm/1" in one box. Assorted size binder clips can meet your different needs. High Quality: Paper binders clips is strong enough to keep the paper tight and thick. Durable handle for easy release of contents.