9.9 cm x 10.1 cm (3.92 in x 4 in). 286 2-ply sheets per roll. Total 68.4 sq m (744 sq ft). 24 mega = 96 regular (Based on number of sheets in Charmin Regular Roll). Cleans better (vs. leading bargain brand). 1 mega = 4 regular rolls (Based on number of sheets in Charmin Regular Roll). 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. www.charmin.com. how2recycle.info. Join the conversation with Charmin and don't forget to enjoy the go! Facebook. Twitter. Questions? 1-800-777-1410. www.charmin.com. FSC: Mix - Paper from responsible sources. Rainforest Alliance certified. Made in the USA from domestic and imported materials.