... folding design,more convenience for shopping or supermarket3) kinds of colors available4) Eco-friendly material5) Usage: shopping, meeting ... experienced QC engineers to test items during each stage of production.b: Procedures / Testing details a: purchase materials ... of shopping bags, beach bags, pencil/stationery bags,cosmetic bags,tool bags,waist bags,cooler bags, coin bags/purses, ladies' handbags, ...