Built with patented Cyberglass, the Onyx is the latest and greatest in prostate massagers from the Sinclair institute.  The unique wand design allows for strategic insertion and unparalleled ease of use.  The Onyx's Cyberglass construction allows for it to be sanitized easily, so you you know you are always using a safe toy. Its so durable in fact, it can  also be placed on the top rack of the dishwasher for super easy cleaning.  However, to prevent etching of the glass, we suggest cleaning your Onyx with Pjur Med Clean Wipes, or Pjur Med Clean Spray.