451 1-ply sheets per roll. Total 27 sq m. 9.9 cm x 10.1 cm (3.92 in x 4 in). 6 mega = 24 regular rolls (based on number of sheets on Charmin Regular Roll). Mega = 4 rolls. 3x stronger (when wet vs. leading USA 1-ply brand). Long lasting. Clog safe. Septic safe. Unscented. Take soft to the next level! Unscented. Charmin is safe for our fewer or septic system. www.pg.com. how2recycle.info. Facebook; Twitter: Join the conversation with Charmin and don't forget to enjoy the go. Questions? 1-800-777-1410; www.charmin.com. Try Charmin Ultra Strong! FSC: Mix - Paper from responsible sources. www.fsc.org. Certified Rainforest Alliance. Made in the USA from domestic and imported materials.