33 Rpm Record Sleeves: Protect your valuable, vintage vinyls from tears, scratches, dust, dirt, and more. Transparent sleeves for an unhindered display of your records and for protecting your LPs for many years to come | 2-Mil Polypropylene: Made of 2-mil polypropylene, protects records over extended periods of time. The suggested thickness for album and vinyl record storage | Crystal Clear Sleeves: Transparent plastic outer sleeves are clear enough to place albums on display, so you can enjoy your favorite album cover art how it was meant to be viewed | Holds Single & Double Lps: Holds single and double LPs, 33 1/3 RPMs- 12" records | Dimensions: Each record sleeve measures 12.75" x 13" on the exterior. Slide each album into a sleeve for protection, not resealable