Perform like the stud you are! These Stay Hard Beaded Cock Rings come in 3 sizes, 1.25, 1.3, 1.5 inches, so you can use them individually or all 3 at once. The Small Ring is for maximum erections; Medium Ring is for hard erections; Large Ring can be used to encircle the base of your scrotum to help prevent premature ejaculation. The