Stock up on boxes of 10 file pockets for your home, small business, or law office—Pendaflex accordion folders expand 3-1/2" to store manuals, tax returns, court documents and other bulky paperwork Straight tab redrope expanding files have double-thick manila lined panels that fold down for easy, open top access to legal size documents; durable enough for home or office organization Each file pocket has 3 points of reinforcement made from tear-resistant Tyvek material: along the top and bottom edges of the gusseted expanding sides and along the back fold of the full length tab