9.9 cm x 10.1 cm (3.92 in x 4 in). 264 2-ply sheets per roll. Total 31.6 sq m (344 sq ft). 12 mega = 48 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). 12 mega rolls. Unscented. Charmin is safe for your sewer or septic system. www.charmin.com. www.pg.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 extender. 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.