Get the support you need for the ultimate thrilling orgasm. This ring is designed to get you hard and keep you there! A perfect fit is all yours with this stretchy and comfortable delight. Non-tarnishing and nickel-free, this product is safe and worry free. Universal clasps make this a versatile bedroom accessory. COLT by Cal Exotics. Materials: Silicone, steel, Iron Measurements:1.5" / 3.75cm (Silicone Ring Diameter) 1.75" / 4.5cm (Stainless Steel Ring Diameter)