Business Card Size (2 1/4" x 3 3/4") Laminating pouches 10 mil. per side. (20 mil. Total thickness). Perfect for laminating business cards, membership cards, ID cards, etc....For use with most heat laminators. These 10 mil. pouches are compatible with almost all heat laminators (check your laminators specs to ensure 10 mil. lamination) and include one carrier to prevent curling and potential damage to items printed with sensitive ink. These pouches are clear and glossy on both sides and have rounded corners.