These 18oz heavy duty double sided banners are the perfect over the street banners. Strong enough to last through extreme weather with your message on both sides. Over the street banners are great for city events, announcements, construction sites and when you want to get your message out with high visibility. These 18 oz. banner blanks come hemmed and grommeted. Just add your vinyl graphics and they are ready to hang. Available in a variety of sizes and colors.