Capacity: A SPACIOUS MAIN COMPARTMENT with room for books, binders, folders, clothes, lunch box, and other daily necessities. A MULTIFUNCTIONAL COMPARTMENT with several pockets, pen pockets, and a key hook organises your items and makes them easier to find.? COMFY & BREATHABLE: Comfortable airflow foam pad back design with thick, but soft, multi-panel ventilated breathable mesh padding gives you the maximum back support. Breathable and adjustable shoulder straps relieve the pressure on your shoulders and make and easy to carry.? Outer Material: Waterproof Synthetic with a reflector? APPLICATIONS: This casual backpack for School boys and girls is perfect to be a daypack. Perfect for going to school, work, weekend get-away, biking, hiking,climbing,shopping,camping, gym, travel, etc? Made of high-end and durable Polyester, lightweight and not easy to cause deformation. Compressive strength of PVC handle, comfortable to carry. Breathable design, larger area for air circulation. Pressureless ridge design to effectively prevent the bag from hitting the spine. Multi-layer spacers are classified and stored. Night reflective strips, safer at night.