Cable Key Ring with Screw Lock - Strong, Flexible, Waterproof. One Ring for Keys and so Much More (Green) Item name: Stainless steel ring cable key ring waterproof Safe for aquatic use in fresh and salt water; great for luggage tags, key chains, ID tags Perfect for boating, swimming, fishing and diving gear 6 inches long; 2 inch diameter when closed Package included: 1 pcs key ring waterproof