... straps for extra comfort. All Executive First laptop bags and backpacks are made of 1682D nylon with DuraGuard ... Co., Ltd is specializing producing laptop bags, backpack, book bags, handbags, travel bags and other bags. We are a prosperous modern trading ... -scale manufacturer specialized in all kinds of laptop bags, backpack, book bags, handbags, travel bags, picnic bag, cooler bag, wine bag, ...