Unique file pocket design has a raised gusset height so that the gussets ride along the file cabinet rails. This eliminates tearing & damage caused by removing file pockets with low gussets. 9 1/2" high gussets are reinforced with rip-proof strips with Dupont Tyvek material along the top & bottom corners. Extra-thick, 22 pt. outer panels for added durability. Pocket / Wallet Type: Files / Papers; Size: Letter; Overall Expansion: 3.5"; Color(s): Blue.