Making sure your Mister behaves. Temptations are lifes greatest adventures ….in saying this the thrill may just be more than you can handle.. So Lock Him Up and what better way than with this Penis Prison Cock Cage.Curve Length; Bottom 85mm Top 125mmCage Ring; 40mmLock Ring; 45mmThis product is CERTIFIED 100% NON-MAGNATE and medical-grade steel. Beware onf 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. iWe will only include this endorsement on our 100% surgical steel products.