Incorporates 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 the front and back, erasure-resistant background, security warning, anti-splice backer, security features listing, watermark, check verification number, patterned background and microtext print. Standard Marble Middle Check. Sheet/Roll Size: 8.5 x 11; Paper Basis Weight (lb): 24 lb; Paper/Media Color(s): Blue Marble; Color Family: Blue.