Heavy-Duty Plastic SleevesProtect documents with archival-safe extra heavy poly. Nonstick cover won't cling to your papers and peel away type. Sealed on two sides to hold loose paper snugly. Edge of back cover extends for convenient handling or storage; thumb-notch on front cover for easy access. File Jackets/ Sleeves/Wallets Type: Sleeve; Material(s): Polypropylene; Height: 11".