1. This multi-functional bag is a great companion for your outdoor trips. It features a large-capacity design that can easily hold many items. Whether it's the delicious food for an outdoor picnic, your lunch for daily work, or the essential small items for a trip, they can all be neatly stored in it. 2. It has a double-layer structure with good thermal insulation. It can keep the temperature of the items for a long time, ensuring that the food always maintains a proper taste, achieving constant-temperature preservation. Even if you spend a whole day outdoors, your lunch will still be warm and delicious. 3. It has excellent waterproof performance. Whether it's a sudden light rain or some accidentally splashed water, you don't need to worry about the items getting wet. It can provide reliable protection for your belongings. 4. It can be carried by hand or on one shoulder, offering flexible carrying methods to meet your needs in different scenarios. Whether you're strolling on a country path or walking through busy city streets, you can easily enjoy your journey. This bag is an ideal choice for outdoor picnics, daily commuting, or trips.