Protect your valuable trading cards with authentic Ultra PRO toploaders and clear sleeves designed for standard-sized cards measuring 2.5 x 3.5 inches with a thickness of up to 35 pt. The interior of the toploaders can hold cards up to 63.5 mm x 88.9 mm, while the sleeves are designed for a loose fit for standard 2.5 x 3.5 inch cards. Place your card in the clear, archival-safe penny sleeve made of polypropylene, and then insert the combination into a toploader to safeguard the card and prevent dents and physical damage. The set includes 100 toploaders and 100 penny sleeves.