This vintage Pyrex 503 refrigerator dish is a bright yellow glass casserole container that will add a pop of color to your kitchen. With a solid pattern and one compartment, it's perfect for serving up your favorite dishes or using as a decorative piece. Made of milk glass and produced in the United States, this original Pyrex piece is a must-have for any collector. Whether you're a fan of retro kitchenware or simply looking for a unique piece to add to your dinnerware collection, this casserole dish is sure to impress.