One piece design. For people who need a bit more time than usual to finish a meal, this dish assures that food will be warm, right to the last spoonful. Just open the port and fill the chamber with hot water. Weighs 2 lbs. (.9 kg) when filled with water and holds 22 oz. (650 mL) of food. Measures 2in. high x 8in. diameter. Includes plastic funnel for filling the water chamber. Top-rack dishwasher safe. Do Not Microwave. Keeps your food warm. This item is drop shipped directly from the manufacturer and is a 7 - 10 business day deliver.