This file folder has a full cut reinforced end tab for shelf filing. It is made of an standard duty 11 pt sterling blue color stock. This folder is letter size to hold 8-1/2" x 11" documents. There are two, 2" bonded fastener installed in positions #1 and #3. These sterling blue letter size color folders will help increase your retrieval time over standard manila folders. The full cut end tab, with scored label placement marks, will provide a location to add end tab color filing labels that will be easily visible in shelf filing systems. Since the end tab is reinforced, or has is 2-ply, it will provide this folder with extra durability over single ply folders. The bottom fold of this folder is scored to provide up to 3/4" expansion. This folder includes heat bonded fasteners which keeps the front and back of the folder from catching in clothing, documents, or even fingernails and cuticles. These folders contain 10% recycled content with 10% post-consumer material.