The BCW Penny Card Sleeves are designed to hold standard-sized trading cards securely in place. Made of acid-free polypropylene material, these soft sleeves are clear in color and finish, perfect for showcasing your cards. Each pack includes a total of 500 sleeves, with each sleeve suitable for use with toploaders for added protection. The crystal-clear design ensures that your cards are always visible, making them ideal for card collectors and fans looking to store and display their collection.