The triad chamber cock and ball ring is a luxury cock ring from easytoys' sinner gear unbendable series. this toy is made of nickel-free metal so it feels heavier and smoother than any other sex toy. this cock ring has three rings in which you will insert your balls and your (semi-stiff) penis. this will give you a long-lasting erection and an even more intense feeling. the cock ring can be used with any lubricant and can be cleaned fast and thoroughly. measurements inside diameter: the big ring is five centimeter and intended for balls and penis. medium ring is four and a half centimeter and is intended for the balls. the smallest ring is four centimeter and wraps around the penis.