Whether you're boxing up fresh salad greens, delectable cupcakes, or covering your dry storage items, the Clear Polycarbonate Food Storage Box Lids are sure to keep your foods safe! Designed with caterers and busy restaurants in mind, this container lid is made to keep the container's contents in place during transport and ensure they arrive intact and ready to use. Features molded-in top rails for secure stacking. Withstands temperatures from -40 to 210 degrees Fahrenheit. Crystal-clear for easy product identification!