Charmin Ultra Strong Toilet Paper. Cleans so well you can use less. Use less* with Charmin Ultra Strong with DuraClean texture. *vs. the leading value brand 2-ply Toilet Tissue; Use up to 4X less vs. the leading value brand. Charmin.com. 18 Double Rolls of Charmin Ultra Strong toilet paper equals 36 Regular Rolls. Use Less* with DuraClean texture *vs. leading value brand. Has earned the Good Housekeeping Seal. Unscented; Septic safe.