1:Main zipper compartment provides you with plenty of space to pack all the food and snacks you need throughout the day. The side mesh pockets can store extra drinks. The front pocket is very suitable for mobile phones, keys, ID cards and other accessories. 2: Good heat pressing technology makes this lunch bag have a very good leak-proof function, so there is no need to worry about water or food leakage. 3: Inner lining is made of leak-proof EVA and 5mm thick thermal insulation pearl foam, and is protected by a 300D waterproof Oxford cloth outer fabric, which can keep food and beverages fresh/cool/warm for 4-8 hours. 4: Large opening design is convenient for filling and taking food. The detachable and adjustable shoulder strap and durable handle provide you with 3 ways to carry: shoulder bag, messenger bag, and handbag.