Quality Park Redi Seal #10 Window Envelopes, 4 1 8" x 9 1 2", White Wove, 500 Box Pelican reinforced top and 1 3 cut Nahanco Traditional plastic top reinforced top and 1 3 cut tabs in assorted positions # of Pockets: Other Pocket Quantities Brand Name: Staples Color Family: Black Fashion: No File Closure Type: Twist Lock File Type: Accordion File Folder Durability: Standard Folder Expansion (inches): 3" Folder Material: Kraft Next Day Delivery: Yes Pack Qty: 1 Paper Size: Legal Post Consumer Recycled Content: 10% Recycled: Yes Reinforced: Reinforced Sustainable Forestry Initiative certified: Yes Total Recycled Content: 10% True Color: Black Type of Index: Multiple while the Redi Seal closure lets you quickly seal envelopes without the need for moisture letting you stock up with ease