Pyrex 9 Inch Pie Plate in Cobalt Blue In Good Condition. The Pyrex 9 Inch Pie Plate in Cobalt Blue is a classic kitchen essential for baking pies. Made of durable glass material, this pie dish is perfect for preparing and serving delicious homemade desserts. The vibrant cobalt blue color adds a touch of style to your baking collection, making it both functional and aesthetically pleasing. Ideal for both everyday use and special occasions, this Pyrex pie plate is a versatile addition to any kitchen.