While the EZ-SERV may be stylish, it's also functional. Each of the five containers comes with three portion wheels allowing you to find the perfect fit for your dry food dispensing needs. The wheels are interchangeable, allowing you to deliver the right amount of product every time. (5) 1.3 gal capacity containers, (3) interchangeable portion wheels: 1 oz, 1 tbsp and 1 tsp, patented silicone portion wheel, transparent container, ABS plastic funnel system, container, and cover, wall mount bracket. - Plastic; clear - Capacity 5 x 1-3/10 gal - Length 29 in - Width 6-1/2 in - Height 21 in - Sold per each