Steel Jewelled Small Slave Collar Whether you've been a very good boy or a very bad girl, you will need to wear this red jewelled slave collar. You will be one of the slaves dipping their toes into a world of BDSM luxury. Wear this collar with confidence and be domianted like the submissive you are. Measurements Diameter: 95mm Depth: 28mm Thick: 6mmO-Ring: 20mm Gems: Ruby, Green. 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.