1.LARGE PICNIC BACKPACK: This Picnic Backpack is 12x8.7x10in, it has enough space to contain your food, drink, fruit or snacks what you need for picnic or work. 2.INSULATED PICNIC BACKPACK: The material of lunch bag is super thick and soft highquality lining material, which can keep your food fresh/ warm/ cold for many hours. Excellent materials of tote picnic backpack can ensure the freshness of food and satisfy your stomach. 3.PORTABLE PICNIC BAG: We use a smooth zipper and portable design which make our picnic backpack super easy to zip/unzip. Our picnic bag not only has a comfortable and firm handle, but also has a detachable and adjustable shoulder strap. The shoulder strap can be adjusted from 15' to 49'. You can carry this picnic bag by hand or on your side. 4.EASY TO CLEAN:Since the material of our picnic bag is waterproof, it is easy to clean up. If sauce spills inside, just wipe picnic backpack off with wet cloth or napkins. Do not wash with water, just scrub locally. Such an insulated meal bag can save your life time and effort