DocuGard marble security business checks incorporate 11 security features recommended by the National Check Fraud Center to keep you protected and are compatible with most money management software programs. DocuGard checks are available in top middle and bottom formats and in various colors and patterns. Marble security features include: Check-21 compliancy VOID when copied VOID pantograph behind endorsement anti-splice backer security features listing box watermark check verification number coin reactive ink marble patterned background security warning on front of check and microtext printing. Perfect for payroll and accounts payable applications and for use with all laser and inkjet printers.