1. Thermal insulation: The lunch bag is insulated. The outer layer is made of durable Oxford cloth and polyester fiber, and the inner layer is made of environmentally friendly EVA material. Our reusable lunch box can keep food cold/hot/fresh for hours, making it perfect for having lunch on the go, at picnics, during travels, at the beach, as well as in the office and outdoors. 2. Leak - proof and easy to clean: The lunch bag features an ultra - thick EVA soft lining, heat - sealed seams, and is non - porous to prevent leakage. It is easy to clean. If there is sauce spilled on it, simply wipe it with a damp cloth or a napkin. The adult lunch bag is made of sturdy Oxford cloth and excellent tailoring techniques, which are dust - proof, water - proof, and durable, keeping the food clean. 3. Large capacity and multiple compartments: The insulated lunch bag measures 10 x 6.7 x 9 inches. The main zipper compartment is designed to hold lunch and hot/cold/fresh drinks. The front zipper pocket can accommodate keys, cards, napkins, and mobile phone chargers. Two mesh bags can hold water bottles, and the inner mesh bag can hold knives, forks, and spoons, making it ideal for carrying all your food and snacks throughout the day. 4. Easy to carry: This reusable lunch bag has a sturdy handle and a detachable and adjustable shoulder strap. It can be easily carried with one hand or firmly attached to a backpack or briefcase. The modern and lightweight design is suitable for women, men, and adults. It can be used as a lunch bag, thermal bag, picnic bag, food container, grocery bag, or shopping bag. 5. Ideal gift choice: It has metal double zippers to ensure smooth opening, and a wide - mouth design for easy storage and retrieval. The portable bag is an excellent gift for family and friends on Thanksgiving and Christmas. It is also an ideal gift for Mother's Day and Father's Day.