This product is a pack of 100 premium 12" poly-lined white paper replacement vinyl record inner sleeves. Made with high-quality materials, these sleeves are designed to protect and store LPs and 12" singles in a professional and archive-quality manner. The sleeves are pH neutral, acid-free, and vinyl safe, ensuring the longevity and preservation of your vinyl records. Made in the United Kingdom, these sleeves are perfect for music enthusiasts looking to store and protect their collection of 12" records.