3D Printed Backpack: No fading, no smell.It is ideal for young school backpacks, daily use, short trips, etc. Larger Capacity of School Backpack:Spacious main compartment accommodates 14.3-inch pad. Firm Zipper: Main compartment zipper with bimetal slider and metal slider, rope, easy to close. Light Material: polyester, nylon lining, breathable mesh back plate adjustable mesh cushion straps breathable, heat dissipation, support to carry comfort. Simple and convenient: the front pocket can store small things, side bags can be bottled water bottles and umbrellas. For the convenience of daily use.