Hem is recommended for out of doors banners—with or with no grommets. It helps prevent the material from unraveling. The banner edges are folded above and heat welded to bolster the sides, which helps the vinyl banner maintain its shape. eighteen oz. matte vinyl is thicker when compared to the https://cutewebdirectory.com/listings13054917/fascination-about-promotional-products-printing-in-chino