For Bimini Tops & Pylon Extensions. AIRHEAD?s Bimini Top flag holder is crafted from polished anodized aluminum. Attach it in seconds to one of your boat?s Bimini top support poles with the 2 zip ties included. The soft polymer caps are designed to eliminate rattling. Designed to be used with AIRHEAD?s 4 foot water sports flags. Also great for pylon extensions!