Set of three rings of different sizes, with them, you will get firmer and more durable erections with more intense orgasms. They are also indicated to control premature ejaculation. It is made of very flexible silicone that is pleasant to the touch. Latex and falate free. Rings for the penis. For a good use it should start with the largest size and gradually reduce the size depending on the effect. Note that the rings can be used for no more than 30 minutes, as it can lead to circulatory disorders. Ring diameter 3 cm Ring diameter 3.5 cm Ring diameter 4.5 cmUse with a water lubricant is recommended. California exotics always at the forefront of sexuality!