The Miracle-Gro Hybrid Saucer is a must when it comes to your potted plants. It features built-in inner ridges to help promote airflow to your plants roots, as the excess water is collected at the base. Besides strengthening your precious plants rooting system, this saucer is safe for all surface types. Weve designed it with a custom molded cork insert beneath the base, to create a long-lasting saucer that can be used both indoors and.. See full description for further details