PoolMaster Above Ground Poolside Top-Rail Mounted Volleyball Game. Turn your above ground swimming pool into an aquatic volleyball court with the PoolMaster Above Ground Poolside Volleyball Game! This durable volleyball package mounts permanently to a 4'' or wider top rail. Simply attach the 16 foot wide volleyball net to the top rails of a 24 foot round or smaller above ground swimming pool and you're ready to play! The Above Ground Poolside Volleyball Game includes a net, game ball and inflating needle so you have everything you need to serve, spike and score this summer!