Royal Leerdam introduces a unique line of glassware for all around cuisine. Complete line has baking dishes, serving bowls, and practical storage containers. More and more consumers are discovering the benefits of using glassware in the kitchen. Glassware is hygienic and easy to clean. Besides that, it shows food in its most appealing light. You can use all baking dishes in the oven, microwave, or freezer. They are dishwasher safe and carry a strong, 10 year guarantee.