To purchase products, please look for our brand KENT HILL or Amazon delivery. Folding backpack: a large-capacity main pocket, zipper opening and closing, a mesh pocket inside, and a zipper pocket inside the mesh pocket. There is a zipper pocket on the front of the exterior, a patch pocket on the left, and a reinforced hand strap at the top. After folding, it can be combined with the front hand strap to enhance comfort. There is also a special elastic rope design, which can fix the bag mouth. This backpack can be used as a laptop bag or as a school bag, travel bag, etc. The lunch bag is made of high-density Oxford cloth and thick aluminum foil. It can keep your food cool or warm for about 4 hours. It can make your food fresh and delicious. It will be better to freeze with an ice pack and fresher. It is waterproof. Pen bag: 2 main zipper pockets, no patch pocket in one main pocket. There are 3 patch pockets and 5 pen positions in the other main pocket.