SUPERIOR RECORD PROTECTION guards record collections, protecting your priceless vintage records, album covers and art work from scratches, scuff marks, and tears, while keeping out dirt, dust and liquid – ensuring years of protection for your prized record collection PREMIUM QUALITY 3 Mil. thickness polyethylene, the industry-leading design, is thicker than standard record covers, providing the durability and protective longevity required by album sleeve and vinyl record storage best practices PERFECT FIT outer sleeves measure 12.75” x 12.5” are optimally designed, with flush cut opening, to fit single LP, double LP, and gatefold vinyl jackets – there is no excess plastic at the top of the poly sleeve after inserting the record ACID-FREE construction ensures no risk of album cover discoloration over time, safely preserving your best album covers and album artwork –this is the proper way to store your pain-stakingly-built vinyl record collection HIGH CLARITY design provides LP sleeve clearness and transparency, ensuring easy record jacket viewing, and optimally facilitates the enjoyment, sharing, and storage management of your best vintage albums and cover art