9.9 cm x 10.1 cm (3.92 in x 4 in). Total 18 rolls. 47.2 sq m (516 sq ft). 264 2-ply sheets per roll. 18 Mega = 72 Regular (based on number of sheets in Charmin Regular Roll). Irresistible softness. Try our roll extender. 1 mega = 4 regular rolls (Based on number of sheets in Charmin Regular Roll). Charmin is safe for your sewer or septic system. 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. Rainforest alliance certified. www.pg.com. www.charmin.com. how2recycle.info. 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. Questions? 1-800-777-1410; www.charmin.com. FSC: Mix - Paper from responsible sources. www.fsc.org. Rainforest alliance certified. Made in the USA from domestic and imported ingredients.