Vertical format is perfect for backpacks. Makes storing and filing papers quick and easy. Features tear-resistant gussets for everyday use and a manila divider for organizing materials. Moisture-resistant paper allows water to bead and roll off. Elastic closure keeps everything secure. Wallet expands to hold up to 800 sheets of paper--enough for an entire project! Acid-free. This product was made from wood sourced from a certified managed forest. File Jackets/ Sleeves/Wallets Type: Wallet; Material(s): Moisture-Resistant Paper; Height: 12"; Width: 9 1/2".