An effective penis ring regulates the blood flow to the penis, allowing for longer-lasting erections. This particular penis ring can also pull duty as a ball stretcher. Sitting firmly between the base of the penis and the top of the scrotum, men will be able to go for extended periods of time, much to the pleasure of them and their partner. Silver Hex Penis Ring and Ball Stretcher Specs and Benefits: Size: 0.95 inches in diameter unstretched Material: TPE Color: Grey Allows men to maintain an erection for a longer period of time Can also double as a ball stretcher.