At BannerBuzz, we have a variety of these in stock. Our skyhooks for banners and signs feature simple knobs and steadfast fastening systems that make them extremely versatile for any media. Order them in bulk for a tradeshow or office event and ensure your banners remain in the limelight. Best for both indoor and outdoor use, skyhooks are used to attach banners or any poster to glass or any non-porous surface. Each of these suction cup hooks for banners is equipped with studs and attractive knobs that can be easily attached to almost any surface. The clear cups virtually disappear when they clamp onto glass thus ensuring your banner remains front and center.