Retrieve file pockets with ease from any filing shelf. Tear resistant TyvekÂ® makes the handle strong and durable. Extends the life of any file pocket by preserving the gusset. Large area for labeling file for quick retrieval and easy identification. Reduce retrieval time by 60%. Color code by client, attorney, county or area of law. Placement guidelines for the three most popular expansions for file pockets: 1 3/4", 3 1/2", and 5 1/4".