Material: Made from thickened plastic, these saucers are and for indoor and outdoor use. : Deep groove and high edge catch excess water and soil, leaks and keeping surfaces clean. Reusable: The saucers are washable and reusable, saving resources and reducing waste. Standard Sizes: Available in 11cm and 14.5cm diameters to fit common flower pots and containers. Versatile Use: Suitable for use at home, garden, balcony, office, and more, ing floors and furniture from stains and scratches.