Fast Metal Fastening Strong, vibrant colors for a folder that makes storing perforated documents quick and simple. featuring plastic cover strips and a stitching mechanism for a snug fit Staple mechanism with an 80 mm standard hole Use at Home and in the Office Label lines and various colors to ensure organization A4 For a maximum of 250 sheets (80 g/m^2) composed of premium Pendarec cardboard that has been 100% recycled (250 g/m2).