This backpack is made of water resistant durable polyester, good air permeability and heat dissipation with two padded shoulder straps, offers lightweight carrying,relieve the pressure of your shoulders, and keeping cool when you carry it for a long time. And it is tough, firm and does not fade. High-quality School Backpack 1, Made of water-resistant and tear resistant nylon fabric, no more worries about bad weather. 2,Theres a breathable mesh in adjustable strap so that you dont overheat. 3…