These DocuGard Security Business Checks with a marbled pattern incorporate 11 security features recommended by the National Check Fraud Center. Compatible with most money management software programs. Security features include Check-21 compliancy, "VOID" pantograph on front and back, erasure-resistant background, secrurity warning, VOID when copied, anti-splice backer, security features listing, watermark, check verification number, coin reactive ink and microtext print. Checks are for use with all laser and inkjet printers.