student backpack student backpack load reduction double shoulder and back pack model ky-6237

"children's schoolbag, need material health only then peace of mind. the main fabric of the schoolbag has passed the national class a standard test. the main material of the bag is waterproof leather film and waterproof zipper. all aspects of waterproof, let the child carry the bag more at ease.1: bag load reduction design, can effectively disperse the weight of the bag to the whole body to maintain a straight posture.2: rebound. back sandwich fabric breathable and cushioned