The lunchbox has a perfect size: 21 x 17 x 23 cm. It holds the lunch container, water bottle, cola, fruit, etc. No matter how big it is, it holds more than other brands' lunch bags.Multifunctional pockets: 1 main zippered pocket to keep food and drinks warm or fresh, 2 front pockets for mobile phones, keys, cards etc. 2 side pockets provide space for water bottles and handkerchiefs. 1 back pocket for your band cards. It is not only a lunch box but also a work bag. It is a perfect bag for women, work, school, picnic, cooler bag, diaper bag, miscellaneous bags and more.Leak-proof and heat-insulated: Equipped with eco-friendly waterproof polyester lining and seamless heat press technology, which is soft, leak-proof and easy to clean. Padded with 4mm EPE foam keeps your food cold or hot for about 6 hours as you tackle daily life.Portable and versatile: A removable and adjustable shoulder strap gives you another alternative carrying option that you can use Keep your hands free to hold the necessary items. It is ideal for adult women and men, which can be used as a lunch bag, cooler bag, picnic bag, miscellaneous bag or shopping bag, etc. Durable and premium quality: It is made of premium and waterproof oxford fabric, sturdy metal zippers and reinforced with staples at key stress points. It provides long lasting durability during daily activities. Should your drinks spill inside, just wipe them with a damp cloth.Product DescriptionMaterial: Nylon