20 x Banner Ups Grommet Tabs - BAN001 - Quick, Strong and Inexpensive Foam adhesive. Ideal for rough surfaces Stronger than grommets because they spread the stress of high winds over a much larger surface area. Wind tunnel tested. Banners made with Banner Ups withstood sustained winds of 50-70 miles per hour! Sticks to virtually all common banner media including scrim vinyl, Tyvek, Valeron, polyethylene, polypropylene, Foamcore, Coroplast, and many others. Make your own banner blanks instantly. No special tools required.