Wave Urethral Plug is Made of stainless steel it has a smoothly waved shaft for an intense stimulation. The Curved end for easy removal. Its made of body safe stainless steel. We recommend a good quality lubricant is used for easy insertion. Rounded tip for easy insertion. Through hole. Urinating and ejaculating with ease. Graduating diameters. Curved end for safety and frenulum stimulation. Available in Blister package for better protection.