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 .