Deluxe High Security checks are the most secure checks available and trusted by more than 7,000 financial institutions. These High Security business checks perform as great as they look, with instant duplicates for easy record-keeping! Compact business checks are perfect for organizations that only need small quantities. Built-in check security features include: multi-dimensional hologram that cannot be photocopied, anti-copy technology, visible embedded fibers, chemically sensitive paper and more. Compact duplicate checks (6 x 2 3/4 ) plus deposit tickets bound behind checks. 2-part carbonless format.