Multifunction capacity and reasonable storage to meet daily needs.nylon high-quality fabric, delicate fabric.Hardware slider, strong and durable.Multi-pocket design.Adjustable shoulder strap.Size: 27*13.5*33cmShape: Vertical squareBag outer bag type: with cover bagIt will be a fantastic necessity for not matter outdoor sports or leisure activities in or out of the city Perfect for day trips vacation travel day hikes school camping and shopping Unparalleled quality and more storage spaceComfy Ergonomic back superior help for the air convection ventilation and heat elimination Durable Perfect for outdoor recreations like travel, short hikes day camping shopping skiing skating swimming fitness etcUSE: backpack，Travel BackBag, School Bag, Daypack。