Product Description: Material: super fiber Applicable school age: Primary School Function: ventilation, load reduction and ridge protection Lining texture: Polyester Style: Academic Style Weight: small 761g, large 930g Made of twill fabric with a smooth zipper, this stylish school bag is very waterproof, soft and durable. Size: Small: 38*28*15cm Large: 41*29*17cm The padded shoulder straps are adjustable and comfortable. The unique design reduces the pressure on the shoulders and protects your shoulders well when carrying heavy loads. The backpack version is very three-dimensional. Even with nothing in the bag, the backpack stands naturally and looks beautiful. Stylish prints are printed on the surface of the backpack to keep you entertained on the road, at school, and on the street. Backpack with side pockets on both sides is stylish and spacious for all ages. Can be used for boys, girls, men, women, childrenRidge protection, load reduction and comfortable travel Noble English style, good helper for learningFive sided three body, 3D multifunctional ridge protection According to ergonomics, different materials are used indifferent parts of the pad to disperse the weight, so as to provide more scientific support for the spine and better protect the spine of children. Stabilize thoracic vertebrae Fiber breathable setting material Protect lumbar spine Polymer soft elastic material Buffer caudal vertebra Imported ridge protection materialsMulti dimensional support, elastic shock absorption 3D back cushion for stable support, 4cm thick shock absorption, and dispersion of spinal pressureMulti compartment main bag, reasonable sorting and induction Vintage winder front pocket for storing loose items Adjustable side bag, adjust the size of the side bag according to water cups, umbrellas and other items Store scattered items and small items Stabilize the center of gravity and avoid shakingLight body design, good back and not tired Light body material, small net weight 0.76kg, about three apples, reducing the burden on the spineBreathable heat dissipation back cushion Honeycomb breathable mesh design, long back sweat, breathable travel, happy schoolNot only is it beautiful, but the details are also amazing The care for children is hidden in details Waterproof fabric, standard microfiber leather, polyester fiber, waterproof and dirt resistant, one wipe clean Highlight the reflective strip to warn the vehicle and escort it safelyLeather arm, soft and delicate, not strangled Two way pull, smooth and unimpeded, soft pull head does not hurt hands Prevent dirt at the bottom, prolong service life, wear-resistant foot nail