Anchor Hocking 20-Ounce Casserole. Package Quantity:1 Â |Â Style Name:Clear. Anchor Hocking’s bakeware is constructed of clear, durable glass. This Casserole Baking Dish is made of heat-resistant glass which is oven, microwave and dishwasher safe. Includes glass lid. 20 oz capacity. Bake and serve in this dish.