These Ultra Heavy Duty Saucers are meant for reuse. Injection- molded for durability, and featuring a specialized bottom design that avoids water spots on decks and other surfaces by creating an air gap between saucer and pots. These Ultra Heavy Duty Saucers are meant for reuse. Injection- molded for durability, and featuring a specialized bottom design that avoids water spots on decks and other surfaces by creating an air gap between the saucer and the surface, they're perfect for both indoor and outdoor use . Available from 6" up to 16" diameter saucers to accommodate most pots.