This bundle of rectangular Pyrex No Leak Covers includes (1) blue 7211-NLC 6-cup lid and (1) pink 7210-NLC 3-cup lid. These lids come in handy during storage and reheating of food. The large transparent window in each lid grants users visibility for easy identification of dish contents. The lids promote even reheating in the microwave, and they feature a convenient vent to let steam escape. These lids are made of durable BPA-free plastic and they feature non-porous surfaces, so unpleasant odours and stains don’t stand a chance of ruining them. They fit the Pyrex 7211 6-cup dish and 7210 3-cup dish (sold separately).