154 2-ply sheets per roll. Total 100 sq. ft/sq. pi (9.2 sq. m). 3.92 in/po x 4 in/po (9.9 cm x 10.1 cm). 6 double rolls = 12 regular rolls (Based on number of sheets). 75% more absorbent (vs leading bargain brand (USA), vs. bird brand 1-ply (Canada)). Use up to 4X less (vs leading bargain brand (USA), vs. bird brand 1-ply (Canada))! Clog safe. Septic safe. Ahh – So clean and so fresh! Facebook. Twitter. Join the conversation with Charmin and don’t forget to enjoy the go! Charmin is safe for your sewer or septic system.