9.9 cm x 10 cm (3.92 in x 3.95 in). Total 25.4 sq m (276 sq ft). 286 2-ply sheets per roll. 9 mega = 36 regular (based on number of sheets in Charmin Regular Roll). 1 mega = 4 regular rolls (based on number of sheets in Charmin Regular Roll). Dermatologist tested. Gently cleans even irritated skin. Unscented. Charmin is safe for your sewer or septic system. Septic safe. Roll Fit Guarantee: If not satisfied with your Charmin roll fit, send original receipt, UPC and completed online form within 60 days of purchase for a refund via prepaid card. Limited to one redemption per household or name; no organizations. Refund is only for the cost of one pack of Charmin toilet tissue. Allow 6-8 weeks for refund. Visit www.charmin.com/guarantee for details. www.pg.com. Facebook; Twitter: Join the conversation with Charmin and don't forget to enjoy the go! Call 1-800-777-1410 or visit charmin.com for your free roll extender. Question? 1-800-777-1410; www.charmin.com. Try our Roll Extender. FSC: Mix - Paper from responsible sources. www.fsc.org. Rainforest Alliance Certified. Made in the USA from domestic and imported materials.