Non-Electrical Temp Retention: Our front-load insulated food pan carrier is your ideal choice for food preservation. It can keep the hot dishes or cold drinks with no electricity & energy consumed. Composed of LL9450UP+PA66/30%GF, this carrier features superior temp retention, maintaining the food inside warm for 4-6 hours or chilled for 3-5 hours. Plus, the inlaid sealing ring enhances thermal insulation, and the vent cap serves to balance air pressure and control humidity. Large Inner Capacity: Our hot box for catering has a spacious interior for holding a variety of pan sizes. Its internal dimensions are 21.65'x13'x25.2' / 55x33x64 cm, and the capacity reaches 127 quarts / 120 L. It can accommodate eight 2.5' / 6.5 cm pans. Note: Food pans are not included. The food carrier is sure to meet the demands of your menu, and you can transport large amounts of food all at once