business causal multi-funtion backpack, it's convince when  you go to business or work. large inside space,strong shoulder straps.good waterproof fabric, do not worry about geting wet when it rains Pattern Type: blank Style: sport Material: polyester Lining: Polyester Brand Name: HY Model Number: HY2072302 Closure Type: Zipper Gender: Unisex Delivery time: 35-55 Capacity: 35 MOQ: 500 Color: Multiple colors,Accept customization Feature: Waterproof Usage: daily/school Size: 50*30*18cm Weight: 0.52kg Logo: Accept Customized Logo OEM: Accepted