Features: brand new and high quality 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 for protection for your prized record collection. PREMIUM QUALITY: 12 for dmm. thickness polyethylene, the industry-leading design, thicker than standard record covers, providing durability and protective longevity required by album sleeve and vinyl record storage best practices. PERFECT FIT: Optimally designed, with flush cut opening, to fit single for LP, double for LP. 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 for 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 for LP sleeve clearness and transparency, ensuring easy record for jacket viewing, and optimally facilitates the enjoyment, sharing, and storage management of your best vintage albums and cover art. Specifications: Material: PE Size: 45x50 for cm/17.7x19.6 inches Approx. Quantity: 50 Package Includes: 50 Pieces of Album Cover note: 1.Please allow slight inaccuracy due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.