The Pool Pong Rack is great for Pools and more.

Each inflatable Pool Pong Rack features include:
Two Pool Pong Racks (6 cups each)
Cup slots hold 16/18oz party cups
Extended sides to protect cups from big waves
Both Racks can be inflated and deflated in under one minute
Racks are perfect to be used as floating cup holders when not being used for pool pong.