352 2-Ply sheets per roll. 4.5 x 4.0 in. Super absorbent. 12 Double rolls = 24 Regular rolls. Double. 2x more sheets than one regular roll. It's all in the quilting. The only quilted bath tissue - soft and absorbent. Made with unique Plush-Quilts so its' ultra soft and ultra thick. Septic safe. Safe for all standard sewer & septic systems. NSF Independently Certified. 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.