Wilson Jones Classification Folders with Fasteners, Pressboard, 4-Part, Letter Size, Gray, 10 per Box (A7015054) Durable, 25-point pressboard cover delivers efficient organization and classification; folder expands 2 Inches for easy document filing 4 fasteners provides a durable, snag-free attaching method; tabs are on covers and dividers Color-matched, reinforced Tyvek gusset ensures long-term use