High Quality Material: The outside of the bag is made of waterproof oxford fabric, durable and waterproof. The cover is made of high quality aluminum foil and filled with EPE foam, 100% waterproof and heat insulation. Large Capacity: The maximum capacity of the bag is 30L, the overall size is 38*24*30cm, large enough to hold all your picnic essentials and small enough not to be bulky. Easy to Use: The bag has a wide opening for easy loading and unloading. There are 2 mesh side pockets for storing drinks, bottles and even umbrellas. The bag also features a deep front pocket for storing candy, napkins, keys and other small things. Portability: Equipped with padded handles and detachable straps, it offers three carrying modes: a shoulder bag, a crossbody bag, handbag and easy to carry. It can also be folded flat to save space. Wide Application: Perfect for work lunches, school, offices, picnic parks, trips, camps, barbecues, beach and outdoor sporting events, and mom bags.