This premium quality long lasting toilet wax ring is carefully designed out of the highest quality materials with balanced flexibility and durability, hence giving it the ability to adjust to uneven surroundings yet maintaining its shape. Fits well on 3” and 4” waste lines or drain openings. Forms a solid seal between the floor and toilet, so no unpleasant smells or liquids can leak out. It is wax free, so can be repositioned and compressed allowing for multiple installation attempts. Remains resilient and flexible, does not become brittle. Designed to last a lifetime.