We are a professional manufacturer of all kinds of bags, i.e. backpack, sports bags, travel bags, school bags, cooler bags, and etc.  They are made of various materials including nylon, pvc, canvas, cotton, leather and so on.  We have more than 10 years experience in producing bags in China. Customer's design are accepted, we can make bags according your sample. Please contact us for details.  We also welcome you visit our web site http://www.yqbag.com  Thanks.