There is only one Johni-Ring® -- a 100% pure, high-grade petroleum wax for installing closet bowls. Soft and flexible to conform to rough and uneven surfaces. Stainless, waterproof, impervious to vermin, odors, gases, and acid. Makes positive, permanent, sanitary closet bowl seal. Also available in jumbo sizes and combination packs with solid brass double nut closet bolts.