Glowstick Penis Plug AMETHYSTThis stainless steel plug is designed for a nice comfortable fit. approximate measurementsOverall length: 50mm Insertable length: 35mmPlug width (slimmest point): 7mmPlug width (widest point): 13mmThis 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.