(a) Extra large size, strong polycover with uv stabilizer & antistatic agents. (b) Pockets on inside cover for loose sheets & business card . (c) High quality extra strong 3 'D' ring mechanism clip. (d) Extra strong clip. (e) Big size to accommodate section dividers (optional) to make the file a remarkable reference tools in offices and also for personal medical records. (f) Holds upto 250 sheets.