3 - 6 roll packs. 308 2-ply sheets per roll. Total 18 rolls. 603 sq. ft/sq pi (55.2 sq. m). 3.92 in/po x 4 in/po (9.9 cm x 10.1 cm). 18 mega rolls = 72 regular rolls (based on number of sheets). 4 rolls (vs Charmin regular roll) in 1. Clog safe. Septic safe. Unscented. Looooong - lasting roll. 1 mega roll = 4 regular rolls (based on number of sheets). Roll fit guarantee (Roll Fit Guarantee: If not satisfied with your Charmin mega roll fit, send original receipt and UPC within 60 days of purchase for a refund. Limited to one redemption per household or name; no organizations. Refund is only for the cost of one pack of mega roll. Allow 6-8 weeks for refund. Call 1-800-777-1410 for details). Facebook. Twitter. Join the conversation with Charmin and don't forget to enjoy the go! Charmin is safe for your sewer or septic system. Questions? 1-800-777-1410. www.charmin.com. www.pg.com. Good Housekeeping: Since 1909. Limited warranty to consumers. Replacement or refund if defective. Made in the USA from domestic and imported materials.