Keep the contents of your food containers fresh and safe from contaminants with this 1-Qt. clear food storage container cover. Designed to fit Thunder Group 1-Qt. clear round polycarbonate food containers, the plastic food storage container lid is shatter and scratch resistant, durable, and can withstand temperatures from -40ºF to 210ºF. The lid fits tightly on matching containers, sealing in moisture and freshness, and keeping dirt, debris and contaminants at bay. Dishwasher safe, the lid resists food acids and oils, so is easy to keep clean. The food container cover measures 5” in diameter, and is NSF listed.