200 2-ply sheets per roll. 4.5 x 4 In. 12 double rolls = 24 regular rolls. Our softest ever! Double 2X more sheets than the leading ultra regular roll. Safe for all standard sewer & septic systems. The National Sanitation Foundation (known now as NSF International) has established that Quilted Northern is fully acceptable for septic tanks according to NSF Protocol P150. Made in U.S.A.