This versatile set from glassware legend Pyrex stores, freezes and reheats. Nestable and stackable, this 20-piece set stores compactly whether empty or filled. Stain-resistant round glass containers hold leftovers and heat them safely in the microwave, while pastel-hued lids provide a secure seal to keep food fresh.Pyrex has been making innovative, durable cookware and food storage for over a century.