Material: Oxford fabric and polyester lining, dirt-Resistant and durable, neatly reinforced seams, fine workmanship, excellent quality.

Comfortable Experience: The adjustable shoulder strap and back are filled with cushion pads to provide comfort. Provide cushioned protection for objects and protect your back.

Dimensions: 17.7x 11.8 x 5.5inch, include Main bag, Side pocket, Zipper pocket, Mezzanine pocket. Large capacity backpack school bag.

Multi-Functional: Main compartment with a laptop sleeve fits laptop up to 15.6", keep your laptop safe with strap and shockproof foam padding. 2 side mesh pocket for you water bottle or umbrella, one front and back zipped pocket can store items like cell phone, charger, keys, cards, wallet. 

Suitable for school, hiking, walking, climbing, camping, travelling, cycling, fishing, gym. This will be your perfect assistant.