Made of high quality oxford, the children bag is extremely durable, sturdy and comfortable With a detachable harness, parents can hold it to avoid the kids to get lost especially in the crowd and supermarket Adjustable shoulder strap with a lock buckle, it can prevent the bag from falling off during the intense exercise and reduce the pressure of shoulder The back part with sponge and mesh, shock-resistant and breathable, it offers kids more comfortable feeling Light weight, compact and large capacity, enough to put in all of the school things for your children, like book, pencil-box. You also can pack your children's things into the bag, such as cup, snacks, toy etc. when going to travel