The Performance Silicone Glo Pro Cock Ring is a soft stretchy ring crafted for maximum comfort. The flat design fits around your shaft for no-slip performance. The Glo Pro's body safe hypoallergenic silicone features a satin smooth glow in the dark design. It's easy to clean: just wash with soap and water and let air-dry. Made of Body Safe Silicone. Contains No Fragrances Phthalates Paraffins or Latex.It Measures 1.75 Inch Outer Diameter 1.5 Inch Inner Diameter 0.5 Inch Width.Availabe in Blue Glow and White Glow .