The Tupperware Blue Vent n Serve Rectangular cookware is a 4 qt capacity kitchen essential. Made of durable plastic, this solid/blue cookware features a vented lid for easy cooking in microwave; food storage and organization. The set includes a cookware/storage container with ⁷ lid, making it a convenient addition to any kitchen. With its compact rectangular shape (15 inches in length, 11 inches in width, and 4.5 inches in height), this Tupperware item is perfect for storing and cooking a variety of foods while maintaining freshness and preventing spills.