4.cn Penis Plug Ribbed with Glans Ring and BallMaterial: Medical steel Overall length: 100mm Insertable length: 93mmWidth at widest point: 8mm - With lines for additional stimulation GLANS RING DIAMETER: XSmall - Overall Length 80mm Insertable 75mm Ring 25mmSmall - 25mmMedium - 28mmLarge - 30mmXtra Large - 32mm