The easy to use Neo Ring is one of the most comfortable c-rings on the market. With four individual snaps, you can easily and securely adjust the size of the ring as you get bigger. The snaps are very durable and fit very tight so you don't have to worry that it might come off during sex. There are no sharp edges and the neoprene material is extremely comfortable with just the right amount of give, so it doesn't get too tight.