Features: Premium new and high-quality construction Superior Record Protection: Safeguards your record collection, preserving your valuable vintage records, album covers, and artwork from scratches, dents, and cracks while keeping dust, dirt, and moisture out—ensuring decades of protection for your cherished vinyl collection. Highest Quality: Made from 12mm thick polyethylene, this leading design is thicker than standard record sleeves, offering durability and protective lifespan required for top-tier album cases and vinyl storage. Perfect Fit: Optimally designed with a flat opening to fit single-LP and double-LP records. No excess plastic remains on top of the poly case after inserting the record. Acid-Free Construction: Ensures no risk of discoloration on album covers over time, reliably preserving your best album covers and artwork—this is the right way to store your carefully curated vinyl collection. High Clarity Design: Provides the sleeve's clarity and transparency, allowing easy viewing of the record cover and facilitating optimal enjoyment, sharing, and management of your finest vintage albums and cover art. Specifications: Material: PE Size: 45x50 cm / 17.7x19.6 in approx. Quantity: 50 Note: 1. A small measurement error may occur due to manual measurement; please ensure you have no objections before ordering. 2. Due to differences in screen displays, the color may not accurately reflect the actual product color. Package Includes: 50 pieces of album covers