This OXBalls Nutt Ballstrecher is made of silicone and super soft and stretchy Skin-Flex platinum silicone and is extremely comfortable to wear. The Oxballs nutt ball stretcher/cock ring is compatible with all types of lube and is extremely versatile it can be used as either a cock ring or a ball stretcher. They are pretty stretchy, so this makes for a good beginners cock ring. Take both and screw one onto your shaft and one onto your balls, or if you’re feeling particularly horny both on your shaft. This sex toy is a great addition to your toolbox.