... 4.Durable material& perfect workmanship Canvas Messenger Bags WholesaleDocument Bag,Messenger bag,briefcase tool bag,messenger ... 2007, and a professional manufacturer of various bags with well-equipped testing equipment and strong technical ... beach chairs, travel bags, backpacks, shopping bags, briefcases, laptop bags, handbags, shoulder bags, drawstring bags, cooler bags, picnic cooler bags, etc. With ...