This live bait fish cage/pen is designed for the serious fishing angler or guide fisherman who needs a larger fish/live bait holding cage for their trophy fish catches or for those times to take advantage of excess live baits and store in large quantities. One of its greatest features is the large dumping door right against the edge for instant removal of all live baits and fish. Simply turn the fish/bait cage upside down for instant dumping into bucket or livewell. Keeps HUNDREDS of live quality baits and fish up to 30″ in length, healthy and fresh for long periods of time. No Fish Cage Aeration Needed! No Pumps to Burn Out!