The product is a set of vintage blue glass hobnail ashtrays measuring 4.5 inches in diameter. They are manufactured by the Fenton brand, known for its quality and intricate designs in glassware. These ashtrays are made of glass, making them durable and adding a touch of elegance to any collection of decorative pottery and glassware. The blue color adds a pop of vibrancy to the overall aesthetic, making them a unique and charming addition to any space.