Meras Laptop Backpacks is made of waterproof and wear-resistant 600D Polyester material. This polyester backpacks with USB cable is convenient to charge your phone. Convenient computer pocket in main compartment up to a 15" laptop and a tablet. Front pocket with earbud port, mesh and fabric pocket on the sides allow to store water bottle and folding umbrella. Comfortable adjustable shoulder straps for relieving the stress of shoulder. Perfect for daily commute, business trips and travel excursions. Rush 3 days available with rush charge upon request.