The laptop backpack is made of eco friendly canvas poly fabric,which is durable and waterproof.Multifunctional compartments.The spacious main compartment and organized pockets can be canvas bag made of waterproof poly canvas fabric,which effectively blocks moisture and water vapor.Removable and adjustable padded shoulder straps and sturdy pu treatment ensure you carry it comfortably for long periods of time.With an easy to carry grip handle, complete with a strap,the notebook briefcase can easily be attached to the trolley,making your travels and business trips easier.The notebook bag is a good companion for business,university,travel,outdoor activities and daily use.