High Quality MaterialThe waterproof backpack is made of PVC. durable and sturdy enough for everyday use, and with adjustable and durable shoulder straps for carrying comfortably. Large CapacityTransparent backpack size is about 30.5cmx24cmx10cm/12.01inchx9.45inchx3.94inch, big enough to hold essentials such as laptop, notebook, books, camera and phones. Multiple PocketsExternal access to1 front zipper pockets for pencil cases, glasses, etc, 2 side pockets for water bottles or folding umbrellas. DesignThe rucksack is designed with zipper, It's and more convenient for storage. The lightweight backpack is comfortable to carry, and adjustable shoulder straps. OccasionsCasual backpack is suitable for school, work, shopping, traveling, hiking, mountaineering, camping, and outdoor activities. Specification: Material: PVC Size: 30.5cmx24cmx10cm/12.01inchx9.45inchx3.94inch Package Includes: 1 PVC Backpack Note: Please allow slightly errors due to manual measurement and different monitors.