This set of 3 thick, durable white plastic funnels is easy to keep track of for storage on the included handy plastic ring that threads through the handle of all 3 pieces. When you're ready to use one of them, simply unlatch the ring and remove the funnel. Makes it easy to measure liquids when you are cooking. Sizes: 2-5/8 Diameter; 3-1/4 Diameter; 3-7/8 Diameter.