Make an impression on your partner with a piece of intimate jewelry that not only looks sexy, but also can enhance the feel of penetration for both partners. Featuring an inside diameter of 40 mm and a depth of 17 mm, this silver cock ring is made from firm, durable and body-safe aluminum that will snugly wrap around a penis, restricting the flow of blood to the penis and increasing sensitivity as it engorges in size as well.andnbsp;