Laborsaving design: Doubleshoulder backpack with wide straps reduces shoulder fatigue and makes carrying easier. Dual insulation: Keeps hot meals hot and cold meals cold, supporting mixed orders during transit. Sturdy support frame: Internal rigid structure protects contents from being crushed and jostled. Long insulation time: Up to 2 hours of warm insulation and up to 1 hour of cold insulation to maintain meal temperature. Durable and compatible: Durable outer material with insulated lining designed to fit standard takeout boxes and containers. Easy to use: Secure lid and balanced weight distribution for comfortable handling. Use scenarios: Restaurant or cafe delivery in all weather to ensure meals arrive at the right temperature. Catering events with multiple hot and cold items requiring temperature control. On the go delivery for offices, schools, campuses, or daily meal prep runs.