Pyrex glass can be used for storage, baking, serving, cooking and microwaving. Pyrex glass storage items are ideal for refrigerator and freezer storage or taking items on the go. Glass vessels are microwave, dishwasher, freezer and oven safe. These dishes come with secure-fitting lids to keep food fresher longer. Pyrex glass is non-porous, so it won’t absorb food odors, flavors, or stains. You can choose from various sizes, depending on your food storage needs and they are easily stackable to save kitchen space. The Pyrex simply store glass rectangular and round food container set is also easy to clean. Clear glass allows for easy viewing of contents. Plastic lids are BPA free and top-rack dishwasher safe. Made in the USA and comes with a 2-year limited warranty on the Pyrex glass and plastic lids against manufacturer defect.