This 3-piece cock ring set from Boners is perfect for every man who knows what he wants. No pointless functions or options, just quality cock rings in three different sizes. The rings are made of odorless silicone that is non-porous and very durable. The silicone penis rings feel soft on your skin and are flexible and stretchy so they always have a perfect fit. The rings are easy to clean after use with water and toy cleaner.