Specification.1.Size:11.6LX6.9WX16.7H Inch.2. Material: 100% waterproof and durable polyester fabric3.Weight:1.28 LB4.Product Design: The Casual Daypack has reflective strips, and it is safe to travel at night.1*main pocket+1*front pocket+2*side pockets, the backpack can hold a lot of things. Double zipper head, two-way opening design, easy to use.5. Applicable Occasions: The backpack is suitable for use by people over 6 years old. The laptop backpack is light weight, waterproof, durable, large capacity and stylish appearance. It can be used for various occasions, such as, field trips, travel, hiking, sports, shopping, etc.[Washing instructions]Hand wash is recommended, hang in a cool place and dry naturally; iron at low temperature to prevent scalding the daypack; do not rinse to prevent the backpack from staining.