We have been using Simplehuman liners (size N) for about ten years, and would never buy any other brand! I have lived and worked for extended periods of time in over 20 countries, from Central America to Africa, Europe, and of course the U.S., and have never found any liners that even come close to the strength and quality of Simplehuman. Of the thousands we have used, I can count on one hand the number that have leaked, and those were because we put either a jagged can lid or broken glass in the bag. Otherwise, they hold a lot of weight and never break or leak. John Haggstrom, Ph.D., Sarasota, Fl.