Tyvek Expansion folders are perfect for holding heavy, thick files, with a "W" fold that e...
Tyvek Expansion folders are perfect for holding heavy, thick files, with a "W" fold that expands and can contain up to 1 1/2 inches of paper. With interlocking reinforcements on the top and side tabs, and with a reinforced end tab, Tyvek Expansion manila folders are a must-have for your heavy filing needs.