This double side polyester flag are digitally printed using full color process imprinting for the most vibrant, high-profile results. There is a layer of shading cloth in the middle,brass grommets and fully hemmed on all sides. Add a custom imprint ,indoor outdoor promo flags can be used as event ads, store shop ad sign, banners, logo promotion product, market marketing products, & promotional supplies items. Complies with Prop 65.