Archival Quality, Acid-Free, Anti-Static Crystal Clear Biaxially-Oriented Polypropylene (BOPP) - Perfect Protection For Your Collection! 12-3/4" Width x 12-1/2" Height with Lip for Easier Insertion - No Sloppy Overhang at Top of Jacket - The Perfect Size! Fits Single, Double and Gatefold Records. Made by Long Term Record Supply Professionals - Sleeve Sellers for 40+ Years. This listing is for 100 individual sleeves.