This Camwear cover for 18 and 22-quart round storage container is made of crystal Clear, virtually unbreakable polycarbonate. Snap on covers that fit tightly, yet can be easily removed. Withstands tem more→peratures from -40° F to 210° F. Stain-resistant to food acids and oils. Nsf listed. Camwear cover for 12, 18 and 22-quart round storage container Made of crystal clear, virtually unbreakable polycarbonate Snap on covers that fit tightly, yet can be easily removed Withstands temperatures from -40° F to 210° F Stain-resistant to food acids and oils