What's all the Hoopla about? The Hoopla Recreational Portable Netball System provides the perfect budget-friendly option for home or recreational netball games. The 2" O.D. steel telescopic post allows for easy adjustment from 8' to 10' height of the 15" official rim. The post snugly fits into a fillable plastic base with wheels that conveniently transports the system from court to storage area.