Keep Warm and Fresh: This lunch bag is made of high-quality cationic Oxford fabric and thickened aluminum foil. The lunch bag has smooth edges and is designed with a water-proof and dust-proof surface. The lunch box for women features polymer insulation cotton and aluminum film insulation layer to keep warm/cold/fresh and durable. .Large-capacity design: Lunch bags for adults are designed with personalized front pockets, which are convenient for storing small items such as tissues, mobile phones, keys, headphones, chargers, etc. to expand your storage space. The large-capacity design provides enough space for your lunch box, drinks, snacks, sandwiches, fruits or vegetables. .Practical design: Lunch box bags are designed with zippers that open and close smoothly, making them easy to store and the contents will not fall out. You can easily and quickly put in and take out lunch boxes or other things you want. Excellent sewing technology and workmanship can effectively extend the life. Thickened Handles & Detachable Shoulder Strap: The portable lunch bag is designed with thickened handles that will not pinch your hands even if it is heavy, making it easier for you to carry your items. The length of the shoulder straps of the lunch boxes can be adjusted ly and can be easily removed when not needed. It can be carried in hand, on the shoulder or cross-body. Multifunctional Use: The insulated lunch bag for women/men is suitable for holding lunch boxes, fruits, snacks, drinks, etc., you can easily enjoy hot food and cold drinks, allowing you to enjoy fresh food all day long. Suitable for office, picnic, travel, camping, barbecue and other occasions.