Abstract: A condom for preventing conception or venereal infection during coitus comprising an elongate and tubular sheath being closed at one end and having an opening at the other end thereof, said opening including a periphery, and an elongate resilient retention strap for retaining said tubular sheath on a penis inserted therein, said strap having one end portion attached to said periphery at one point and having another end portion attached to said periphery at another point spaced from said one point, said retention strap being adapted to be stretched to fit behind the scrotum. The tubular sheath together with said retention strap is capable of being rolled into a generally circular flat disc to provide ease of packaging and for ease of application.