1.[Made from tempered glass]-The Round Glass Casserole Dish Set is made from durable tempered glass that can withstand temperatures between 482° F and -40° F without worrying about thermal shock breaking it. It is to use in the oven and even in an air fryer. The non-porous surface of the glass does not absorb food odors, flavors, or stains, ensuring that your dishes always taste fresh. 2.[Convenient Glass Lid] - The glass casserole dishes come with a transparent glass lid that allows you to monitor the cooking process without having to lift the lid. The lid also helps to keep the food warm and prevents it from drying out. 3.[Save Your Space] Round Glass Casserole Dish Set has a flat top design that allows you to stack multiple dishes on top of each other in the fridge or cabinet. This innovative design is space-saving and convenient for those with limited storage space. Say goodbye to cluttered cabinets and hello to organized storage! 4.[Set of 3 Sizes] - This Round Glass Casserole Dish Set includes three different sizes: 0.65L, 1L, and 1.4L. This provides you with options to cook and serve different quantities of food for various occasions, whether it's a small family dinner or a large gathering.