9.9 cm x 10.1 cm (3.92 in x 4 in). 264 2-ply sheets per roll. Total 15.8 sq m (172 sq ft). 6 mega = 24 regular (Based on number of sheets in Charmin Regular Roll). Irresistible softness. Irresistible softness. Try our roll extender. 1 mega = 4 regular rolls (Based on number of sheets in Charmin Regular Roll). 6 mega rolls. Unscented. Charmin is safe for your sewer or septic system. 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.