Here at Ink Guru, we sell high capacity, long lasting M110w cartridges so you get more ink inside for less money. When you buy our Ink Guru M110w cartridges, you pay less per page! Don't forget that with longer lasting cartridges you'll be buying less cartridges, which helps protect our environment 🌍 These cartridges are guaranteed to replace your M110w ink, or we promise to give you your money back.