Pyrex bakeware is durable, transparent for easy monitoring of baking progress and provides good heat conduction for even, consistent baking. Pyrex glass is safe in the oven, microwave, refrigerator, freezer, and dishwasher. Pyrex glass is nonporous, so it won't absorb food odors, food flavors, or food stains. Plastic lids are great for storage in refrigerator or freezer. Includes 1 each: 3 cup rectangular dish, 6 cup rectangular dish, 4 cup round dish, 2 each: 2 cup round dishes (all include matching blue plastic covers). Limited 2 year warranty on Pyrex glass ovenware and limited 1 year warranty on Pyrex parts and accessories.