Cambro Manufacturing Co. Use to maximize storage in kitchens, coolers, freezers, or pantries. Inventory-at-a-glance with easy-to-read color graduations on the outside. Made of crystal clear, virtually unbreakable Camwear polycarbonate. Withstands temperatures from -40 to 210 degrees;F. WARNING: This product contains chemicals, including Bisphenol A (BPA), known to the State of California to cause cancer, birth defects and other reproductive harm www.p65warnings.ca.gov.