Her Royal Harness The Duchess 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 9 ounces. Materials Vegan Leather, Polyurethane PU, Nickel free alloy Metal, Polyester. Warranty information. Order with confidence as this item comes with our standard 90 day warranty. Measurements adjustable up to 64 inches waist. Large ring 2 inches diameter, medium ring diameter 1.5 inches.