Travel bag, is also called duffel bag , refers to a kind of bag prepared for travel or tourism. Travel bag can be divided into duffel bag backpack, travel tote bag and rolling duffel bag. In the selection, the volume and style should be considered. In addition, the user's figure, body shape and load capacity should also be considered. Because the outdoor travel bag is used in special environment, the material and technology of the travel bag are highly demanded. All the stressed positions of the travel bags are sewed by sewing machine for three times, so that the stressed positions should be firm and durable. Travel bag can be divided into leisure travel bag and business travel bag according to the different application environment. Size selection: the size of travel bag can be determined according to your own body and hand strength. Smaller people or girls are advised to use travel bag with tie rod to reduce the travel burden. The business travel bag should match the bus...