Business Card Size (2 1/4" x 3 3/4") Laminating pouches 7 mil. per side. (14 mil. Total thickness). Perfect for laminating business cards, membership cards, ID cards, etc....For use with most heat laminators. These 7 mil. pouches are compatible with almost all heat laminators (check your laminators specs to ensure 7 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.