The present invention relates to a device for treatment of erectile dysfunction comprising a ring. The device further provides for retraction of the foreskin of the user and maintains the retraction of the foreskin throughout sexual activity. Such a device also increases the length of the sliding interface of the penis during sexual activity. Further, the device will stimulate the stretch-sensitive nerve endings of the foreskin before and during sexual activity. Further, the device will increase stimulation of the sensitive nerve endings of the glans during sexual activity. The device will also retain blood within the penis upon erection, allowing for more reliable, harder and longer erection periods. The device also creates the appearance of a larger penis.