Ensure the lasting preservation of your treasured 7-inch records with the HumminGuru 7″ Anti-Static Inner Record Sleeves. Crafted from high-quality HDPE material, these sleeves boast a thickness of 1.5 MIL (0.04mm) and feature a round-bottom design. Safeguard your 7″ records from dust, dirt, and static, and enjoy the added value of a generous 50-Pack. Rest assured that your records are shielded by the best.