File jackets with a full-height gusset are perfect for travel. Closed on sides and bottom, they keep papers and small items safe and secure. Gusseted sides expand with your project needs. 2" expansion holds up to 350 letter-size sheets. Single-ply, full-length top tab on back cover provides ample room for labels or handwritten titles. File backs extend above fronts for easy label viewing. File jackets are made of heavyweight, 11 point manila stock.