Do it 3 Oz. Plumber's Putty is a high-quality and long-lasting putty specially designed for plumbing applications. It excellent flexibility and resists bacteria growth. This putty remains stable and will not harden, shrink, crack, or crumble even if the container is left open for a long time. It is i for setting bowls, rims, strainers, faucets, and other plumbing fixtures. However, it should not be used on marble, synthetic marble, or other porous surfaces, as it may cause damage. Additionally, avoid using this putty on plastic lavatories and fixtures, as it might adversely affect the material. For all other compatible plumbing tasks, Do it Plumber's Putty is a reliable and effective choice. Model Number: 43057