NSSP Ring Binder File for Documents,Projects & Certificates, 2D A4 Size Tough & Durable A4 Size Ring Binder Box Board File. These office files have 1.5 inches 2D round ring that holds pages securely. Holds approximately 250 sheets. The polypropylene construction of this box folder makes it durable, water-resistant, and lightweight. Pockets on inside cover for loose sheets and business card. Paper stopper with 2'D' ring clip to press down papers firmly.Ring binder folder file protects your papers and keep them organized. Use this file folder to organised your reports, artworks, homework & class assignments, shopping lists, home & medical files, or other punched certificate High quality, strong and rigid embossed polypropylene sheets for binding punched and non-punched certificate