Food Storage Box 18" x 26" x 15" White Poly food Storage box is made of impact resistant white plastic that withstands temperatures from -40 degrees to 160 degrees Fahrenheit. Maximize shelf space with wet or dry storage. Dishwasher safe. Stackable and nestable. White boxes withstand temperatures from -40°F to 210°F. NSF. CALIFORNIA PROP 65 WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. For further information, visit their website.