FOLDABLE BACKPACK - Lightweight and convenient to carry,Fold into zippered pouch and put in handbag,luggage etc.Easily unfold from pouch to backpack.perfect for day-to-day use,shopping,weekend tour,great gift for everyone. LUNCH BOX COMPARTMENT- Heat resistant box in which your lunch will stay hot longer.ROOMY ORGANIZED - Main compartment with two zipped front pockets, load up to 60kg and stuff,with two net pockets each side(for water bottles and umbrellas).COMFORTABLE DESIGN - Comfortable breathable mesh shoulder straps,plentiful sponge padding inside help to relieve the stress from your shoulder.Easy to Adjust the length and lock firmly