The Colt Big Boy Black has a conical tip to facilitate entry and its curved shaft that will provide you with unique sensations. Its narrow neck allows your muscles to wrap around it and hold it in place. The ergonomic design of the base ensures that it does not slide too far inside.- Made with hygienically superior silicone. - Smooth texture. - Safe for your body. - Solid base. Insertable length: 6 cm. Maximum diameter: 5 cm.