The name, which the London Rubber Company trademarked in 1929, is an abbreviation of "Durability, Reliability, and Excellence", though some people mistake it as being "Durable Latex".
Durex condoms represent around one quarter of the global market for prophylactic sheaths, manufacturing around one billion units per year in 17 factories worldwide. The Durex range includes nine varieties of latex condom, including the Sheik and Ramses brands popular for decades in North America, and the Avanti condom, the first male condom made from polyurethane. Polyurethane condoms do not suffer from "latex rot", and are suited for users who have a latex allergy.
Durex condoms was declared the runner-up of the most account sales of condoms in the United States, with Trojan condoms being no. 1.