These sturdy and reusable green and black saucers come in various sizes to match most pots. Use them to collect excess water drainage and soil spillage. Implementing saucers into your growing program helps keep plants moist longer and maintains a cleaner garden. Ribbed bottom keeps plant out of water and prevents plant from sticking to saucer. Checking water levels is a snap. Sturdy, rugged, and reusable. Protects floors and decks from water. Listed diameter is measured from the inside of the bottom of the saucer.