Keep your best piece hard with the Erection Commander Cockring Extremely easy to put around Hodensack and / or penis Inner Ø approx. 32, 37 and 42 mm (very extensible) – outer Ø approx. 50, 55 and 60 mm – seamless, Material: 100% non-toxic, odorless silicone – water-repellent, heat-resistant, dishwasher safe – easy to clean