Silicone Tri Snap Scrotum Support Ring Medium Black from California Exotic Novelties. Bulk weight 0.8 ounce. 8.5 inches by .75 inch scrotum ring. 1.25 inches inner ring diameter. 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. Materials: Silicone ring enhancer, Nickel free Iron rivets, snaps.