Each bin has a 1.1 quart capacity. The frame is stainless steel with a satin polish finish and is very sturdy. Each frosted bin is removable and can snap into any of the slots along the stainless steel frame so that you may create your own custom display. All containers are dishwasher safe. It is great at a coffee bar for sugar and creamers. It is also perfect for condiments such as ketchup, mustard and relish. These frames and bowls are perfect for snack bars, cafeterias and buffets.