Made with the avid collector in mind, the Ultra PRO Antimicrobial Card Sleeves are made with our proprietary anti-septic plastic which has been proven to provide a 99.9% reduction in germs within 4 hours. Designed for Standard Size 2-1/2" x 3-1/2" cards, our clear plastic sleeves are ideal for your favorite collectible card. 100 Sleeves per pack.