Smead File Pockets keep large amounts of paperwork neatly contained and secure. Ideal for shelf storage in the environment friendly office. Accordion style sides expand 3-1/2" and hold up to 400 sheets. File pockets take up minimal space, expanding only when extra storage capacity is needed. Top of the gusset is reinforced with tear resistant material for extra strength and durability. 3/4" wide straight-cut tab is reinforced for frequently handled files. Includes 25 extra wide letter size (12-3/4" W x 9-1/2" H) 100% Recycled end tab file pockets with 3-1/2" expansion. Contains 100% recycled content, 30% post-consumer material and is SFI Sourcing Certified.