InstaHibit 10PCS Feather Flag Base Stands securely hold flagpoles with inner dia over 5/8', creating a reliable free-standing display Instantly unfolds into a sturdy cross shape for immediate use, and collapses flat into a one-piece unit for easy storage Built-in bearing spindle allows the flag to rotate freely with the wind PVC water bag is wear-resistant, leak-proof, adds 22Lbs weight when filled, providing more stability 10-pack kit delivers exceptional value for event planners, printing service