... High quality stretchable pvc book cover 1,A3 A4 size. 2,Fast delivery 3competitive price and best serive 2012 High quality stretchable pvc book cover 1)material: ... whose full name is Polyvinylchlorid, is one of the high-quality material to make the binding covers.Characteristic: This product is ... two-way to draw polyester cut, it is used for the covers of the product introductions, menus, brief ...