-Upper: Nylon-Lining: Polyester -Top flap zip fastening-Adjustable shoulder straps, hidden card pocket-H47CM X L30CM X W16CM-Water Resistant Fabric-Breathable shock resistant resilient back cushion-Three dimensional storage space design, reasonable layered access-Customized comfortable hand hold for more comfortable grip-Zipper hidden side water cup bag for umbrella water cup-Password lock anti-theft system-3.0 charging USB interface-OZUKOxTwenty Eight Shoes LTD Twenty Eight Shoes Business Laptop Bags TC7216