Universal manila file jackets with reinforced tabs, flat, letter, 100/box great for taking files out of the office. Full-height side gusset keeps materials from slipping out. Back tab is 1/2″ higher than front for indexing. Thumb cut for easy access. Durable manila construction. File jackets/ sleeves/wallets type: jacket; material(s): 11 pt. Manila stock. this product arrives to most customers in 2-3 business days.