The Hollow Strap on Dildo With Vibrator lets you penetrate your lover's body in ways you never imagined before. This sex toy is made of soft, silk-like silicone material, as well as hard pvc. It is completely odorless and body safe. It ships with an adjustable body strap-on belt that fits most people with ease. Please note that a very large penis may not be able to go inside the shaft all the way.