Sell BOSTANTEN outdoor backpack men's casual nylon travel waterproof mountaineering school bag -3011K best price

Comfortable and breathable shoulder strap, light and labor-saving, comfortable and durable Adjustable shoulder strap, which can be easily adjusted according to needs Comfortable portable design, light and easy to use Casual double slide bar design, easy Lala pull, practical and convenient Triangle reinforcement design makes the shoulder strap strong and durable Large internal structure capacity, equipped with notebook compartment bag and hidden zipper bag inside, convenient and practical.Oxford spinning tips: The bag is a daily use product, so it will inevitably leave stains. Don&#39 t worry, they are easy to clean even if they are dirty. Wipe with a wet towel or soft toothbrush