MANGROVE Charm Waterproof School Backpack 20L, Magenta/Purple Organize and carry your everyday essentials in this waterproof nylon backpack with premium YKK zippers, available in a variety of colors Pack a little or a lot with side compression straps to stabilize loads and minimize bulk Top and front compartments include dividers and pockets for books, pens/pencils, smartphones, and more Tuck away small laptops, tablets, and other important items in the cushioned pocket on the back panel Keep a water bottle or umbrella close at hand in the easily accessible elastic side pockets. This pack measures 6.3 by 11 by 16.5 inches (16 by 28 by 42 centimeters).