This clear, round lid is made of virtually unbreakable, stain-resistant Camwear polycarbonate and fits 2 and 4 Qt round containers. It snaps on tightly to keep ingredients fresh for even longer, but is still easy to remove. This lid withstands temperatures from -40°F to 210°F, making it good for both hot and cold food.WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.Good for Hot and Cold Food Resists Stains From Food Acids & Oils Snaps On Tightly But Still Easy to Remove Temperature Range: -40°F to 210°F Stackable Dishwasher Safe NSF Certified Conforms to HACCP Guidelines Fits 2 and 4 Qt Round Containers RFSCW2 and RFSCW4 (Wasserstrom #'s 106200 and 106300) Diameter: 8-3/16" Material: Polycarbonate Color: Clear Model #: RFSCWC2 Color Code: 135 106201