The most noticeable feature of any strap-on setup is the dildo used. A wide variety of dildos are available, and while the choices may be limited by the type of harness in use, generally one can choose from several common types.
Now, we are talking about strap-on harness materials. Harnesses are available in many different materials, and the choice of which to use depends greatly on individual preference.
A strap-on dildo (also strap-on, dildo harness) is a dildo designed to be worn, usually with a harness, during sexual activity. Harnesses and dildos are made in a wide variety of styles.