The OEM Smead Tuff Pocket Heavyweight File Pocket is designed for durability and long-lasting use. These file pockets are virtually indestructible, making them ideal for storing large, heavy files, catalogs, or notebooks. With 6-1/2" high sides and bottoms lined with tear-resistant Tyvek, they provide added protection. The special rollover reinforcement at the top and heavyweight front and back panels ensure rigid support, making them a reliable choice for any office environment.