The male urethral plugs are made of high quality silicone material, soft and flexible, the end is designed in the shape of a cat's ear, and the complete set contains three sizes of urethral plugs. This urethral plug is easy to clean and can be cleaned with water or soapy water before and after each use. Silicone urethral plugs are soft and flexible. Stainless steel urethral plugs are easy to injure at the in and out bends. Silicone urethral plug is soft and easy to enter and exit, safe and reliable. Silicone Urethral Plug Plugs come in 3 different sizes so you can start with the right size and keep increasing the diameter.