Hold Your Erection Longer This all-rubber erection enhancer is simple and easy to use. Used to hold erections harder and longer. Also can provide additional sexual stimulation. The easy-release attachment opens easily to go around the penis and balls. Measurements: - The second ring goes around just the penis. - Large ring is 2 inches in diameter, - Smaller ring is 1.5 inches. Rubber material makes it easy to clean Note: Be careful not to get lube on the connector that holds the penis ring together. If that occurs this product will unlock when undesired.