... A4 size. 2,Fast delivery 3competitive price and best serive 2012 High quality stretchable pvc book cover 1)material:PVC 2)surface:glossy ... PVC, whose full name is Polyvinylchlorid, is one of the high-quality material to make the binding covers.Characteristic: This product is ... , menus, brief introductions of the company, propagate volumes and all sorts of covers of file materials through binding of the ...