Her Royal Harness The Empress O/S from Cal Exotics. Thoughtfully architecture for mutual pleasure. Make more of your intimate moments. Non-tarnishing and nickel free, this product is safe and worry free. Bulk weight 12.4 ounces. Materials Polypropylene PP, Nickel free alloy, Polyoxymethylene POM, Plastic. Warranty information. Order with confidence as this item comes with our standard 90 day warranty. Measurements 59 inches waist. 2 inches ring diameter