Magic Mushie Anal Plug SmallLength 57mmWidth 25mmInsertable 50mmMediumLength 70mmWidth 30mmInsertable 62mmLargeLength 92mmWidth 35mmInsertable 85mm This 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.