Rippled Post Hollow Penis PlugFeel each sensual ridges filling your urethra as you insert. Made from medical-grade steel, your safety and comfort are assured. Hollow design enables the user to excrete and ejaculate, allowing prolonged use without having to remove and re-insert. The ridges make it perfect as a urethral trainer too, see how far can you go. Do you have what it takes to insert all 8 ripples ? Use generous amount of lubricant for maximum comfort and pleasureMeasurement:Total length:11.4cmTotal insertable length:10.8cmShaft width from 5mm to 7mmThis product is certified 100% Non-Magnate and medical-grade steel. Beware of cheaper products that are not solid surgical steel but chromed steel or poor quality surgical steel that contains Magnate. Magnate is the ingredient that makes steel rust. We will only include this endorsement on our 100% surgical steel products.