Stretchy and comfortable Silicone erection enhancer. Soft and smooth, thick and durable. Fully adjustable, three-snap design. Heavy-duty, nickel-free hardware. Added scrotum strap for support and stamina. Testicular separation strap for enhanced stimulation. Materials: Silicone (enhancer) Nickel-Free Iron (rivets). Measurements: 1.25"cm (inner ring diameter