Mixed Set of Crystal Clear Plastic Saucers - One Each of 4", 5", 6", 8", 10", 12" Sizes 100% Recyclable A clean, mess free way to water your plants No more cleaning up water that drains out of the bottom of your plants! Simultaneously protects surfaces and introduces added humidity to your plant A great tool for plants like African Violets, which prefer been watered from "the bottom up"