material : PVC advantage:with self-adhesive film, no need glue, washable, permanent ,conveninent packing: roll or ... dirty2. advantage:with self-adhesive film, no need glue, washable, permanent ,conveninent ,very easy to use and export ,professional products for book cover3 ... . core:2.5cm(normal) ,different patterns are available pvc embossed self adhesive book cover(embossed self adhesive film)