• Pack of 100 inner vinyl sleeves for 12-inch records, made of high-density polyethylene for optimal protection of your record collection • Protects records from friction, dust, dirt, and liquids, preventing scratches and wear • Anti-static design reduces static electricity buildup and allows for safe storage • Approximate measurements of each sleeve: 30.6 x 30.6 cm, perfectly fitting single records and LPs • 3-layer structure, thicker than standard sleeves, for greater durability and ease of use • Transparent material allows you to easily view and identify stored albums • Acid-free, ensuring the preservation of vinyl and labels without deterioration or discoloration • Ideal for long-term preservation of your record collection • Includes 100 protective bags in the package • 1 unit