Messenger bag use excellent quality nylon. lightweight, water resistant, wear-resisting, easy-to clean, eco-friendly, air permeable. Dimension: 9.84 L x 11.81 H x4.33 W. It is easy to hold documents, pens, notebooks, water bottles, umbrella, wallet, cellphone, headphones, keys etc. This crossbody travel bag a total 10 of versatile pockets; Main compartment with 2 anti-theft lockable top zipper, easily fits Ipad or tablets 12.9 and laptop up to 13.3; 2 side pockets for water bottle and umbrella; some small inner pockets can hold pen,bus card ect. Adjustable shoulder strap, so you can wear it at the length that works for you or you can take off the shoulder strap and use the handhold strap only, the pad on the shoulder strap makes it comfortable wearing without hurting your neck. It’s a very good bag for working, short traveling, school and daily using.