HIGH-QUALITY MATERIAL:The school bag has been upgraded again in terms of material and craftsmanship, the material is better than before, the weight is increased from 0.55 to 0.75KG, and the luminous light is brighter than before.Backpack advanced Oxford cloth manufacturing, nylon,decompressive shockproof padded liner. shoulder strap and bag joint again reinforcement make the bag super durable. LUMINOUS DESIGNLuminous Backpack In the natural light or light irradiates about 10-20 minutes can produce a good luminous effect, it could be maintained about 4-6 hours Compared to other backpacks, it is safer to walk at night ANTI-THEFT DESIGN: Theft proof combination lock and Dual-access zipper to keep belongings safe GREAT SCHOOL BACKPACK:The backpack is very spacious, the school backpack offers a lot of storage space, the school backpack fits all folders for school. boys backpack school backpack children backpack. school backpacks children backpack teenager backpack men daypacks sports backpack Is a stylish school backpack for boys, girls, teenage ,youth women, men Perfect Birthday Gift: Backpack fit for boys, girls, women, men, youth