Book Bag Features: - High quality, fashion, lightweight, thick, soft, durable and easy to use. - High quality imported fabrics, waterproof and excellent weatherability. - Moistureproof, shake proof, keep warm, impact force and strong toughness. - Wide opening and double zipper when unzipped giving easy and spacious access - 2 ways carrying method that this bag allows - hand carry, shoulder sling - Adjustable shoulder sling. - It can be used as laptop bag, book bag, cloth bag, travel bag, breast milk storage bag or shopping bag etc,