LASTS ALL YEAR. Five Star 1-1/2" Plastic Binder features one-piece construction to withstand frequent use and protect your contents from damage . Holds up to 375 sheets, perfect for keeping handouts, notes and loose-leaf paper all organized in one place. Three D-rings allow for increased paper storage and keep 3-hole punched papers securely in place. Flexible spine structure lays flat for easy desktop use. Includes a 3-pocket divider to keep loose papers neatly organized inside the binder cover. Binder measures 11-3/4" x 11" overall.