Made by Atomic Jock SkinFlex blend a resilient non-toxic super plastic that stretches 8X it's original size and snaps back into shape every time. If you are a fan of OxBalls Powerballs or Screwballs cockrings, this will be your new favorite. The made in the USA body-safe SkinFlex TPR(ThermoPlastic Rubber) material is soft and flexible but rigid enough for intense sensations. Just add your favorite Water Based Lubricant and have a blast. It is not recommended to be used with silicone lubes. After use, carefully wash the toy with mild soap and water or try the Toy Cleaner for even quicker cleanup. Store this toy separately from other sex toys. Color: Black Materials: SkinFlex TPR Outside Diameter: 1.875 inch Inside Diameter: .875 inch Thickness: .5 inch