These files folder has a full cut reinforced end tab for shelf filing. These are made of an standard duty 11 pt sterling blue color stock. These folders are letter size to hold 8-1/2″ x 11″ documents. There are two, 2″ bonded fastener installed in positions #1 and #3. These folders are packaged and ships per box of 50. These folders are scored for a 3/4″ expansion.