Large Capacity And Multiple Pockets:The backpack is suitable for 13-15.6 inch laptop computers.It has a large main pocket,which can hold large items such as clothes,books,notebooks,headphones etc,a laptop separate pocket,an iPad separate pocket and an external front pocket and two adjustable side pockets on the side. Full Waterproof Elastic Material:The material of the backpack is made of waterproof polyester,which is more elastic and can be folded without creases.Waterproof material can let you rest assured that you can wash it with a wet towel,which is convenient for cleaning and don't worry that your clothes and notebook will get wet even if you...