Main Features: - The backpack can reflect which have very good warning function under low illumination. - It is made of ultra-strong 1000D nylon material which is wear-resisting, fade resistant and anti-scratch. - It is convenient for outdoor sports like climbing, hunting, camping and mountaineering. - Multi-layer design, provide enough space and easy to classify items. - Reinforced grab-and-go handle allows the outstanding capability to handle heavy loads.