2020 new style mountaineering bag outdoor gymnastic valise large capacity backpack waterproof student bag anti-theft backpack

source of goods category stock or not inventory yes inventory type whole transaction item no. wq1034 support distribution support distribution join distribution threshold 1 luggage size large capacity 36-55l bag internal structure id bag mobile phone bag mezzanine zip pocket inside zip pocket computer pocket opening method zipper applicable gender neutral/for both men and women material oxford cloth with or without rain cover no function waterproof breathable wear-resistant anti-theft burden rel