The product is a set of 50 matte standard size trading card sleeves, suitable for cards like Pokemon and Magic the Gathering. These premium sleeves are made of polypropylene material and are designed to be PVC-free, suitable for tournament play, and acid-free. The sleeves are of standard size, with dimensions of 91mm in height and 66mm in length, making them suitable for collectable card games. With a sleek matte finish, these card sleeves are perfect for protecting and showcasing your card collection in a stylish manner.