Pail and Mop Strainer Combination lets you travel up and down stairs easily to increase productivity. It is lightweight and easy to clean. Pail holds up to 15 quarts (14.2 liter). Strainer wrings up to a 10 oz. (283 gram) mop. Durable plastic construction has a smooth, easy-to-clean surface. Pails and funnel-shaped mop strainers nest and stack for convenient transport and storage between jobs.