Safeguard Your Vinyl LP Jackets from Wear, Scuffs, and Debris with Archival-Quality Mobile Fidelity Sound Lab Record Outer Sleeves. Featuring 4mil thickness that affords stellar archival safekeeping as well as easy access on shelves or racks, these unsurpassed sleeves guard against scuffs, wear, denting, dirt, and all sorts of debris. Each pack contains 50 outer sleeves.