The multi-grid lunch box adopts a grid design, and the number of grids can be customized according to the different needs of customers, which is convenient for placing different types of food. The built-in food-grade coating ensures the product's waterproof and oil-proof performance, high temperature resistance and no odor. According to the material, it is suitable for microwave heating and refrigeration to prevent the taste of food from mixing and keep the ingredients fresh. It is suitable for packaging a variety of foods, such as set meals, sushi platters, fruit platters, fast food takeout and gourmet snacks, etc. It is especially suitable for occasions where food needs to be packaged separately to ensure the freshness and taste of the food. Customizable printing patterns, mold opening, custom size, and grid style. Adjustment and selection of paper box materials (such as kraft paperboard, white kraft paper or PLA, PP and other coated materials), especially PET window design, can better display food details and meet customers' different usage and display needs.