Bone Yard Nut Ball super soft silicone set. Donut Cock Ring 2 inches in exterior diameter. Nut Cock Ring 2 inches in exterior diameter. 1.07 interior diameter. 2 shapes to choose from. Thick girth for powerful erection. No roll comfort fit. Extreme durability. 100% silicone. 3X stretch. Care instructions: this product is safe with all lubricants. Wash thoroughly with mild soap and warm water or toy cleaner. Pat dry and allow product to completely air dry. Store separately