Clivia 29L Insulated Food Pan Carrier, Stackable and Loader, Suit for Restaurant, Canteen, Outdoor Banquets, BlackINSULATED: Hot Boxes For Catering Composed of PE surface and PU foaming layer, use seal design ,can maintain the food inside warm for 4 6 hours or chilled for 3 5 hours. STACKABLE: Commercial Insulated Food Pan Carrier can be interlocked and stacked up for better transporting and saving space. DURABLE AND SECURE: The high quality construction ensures the food warmer is durable and able to withstand everyday use. EASY TO USE: The Portable Food Warmer