The Ultra Pro Soft Penny Card Sleeves are designed for standard-sized cards with a 35 Pt. thickness, featuring a clear polypropylene material for durability and protection. These soft sleeves are suitable for toploaders and are extra clear for easy viewing of the card. With a variety of quantities available from 100 to 10,000, these acid-free sleeves are perfect for organizing and storing your card collection in a 3x4 format.