The Camco Portable Toilet, 5.3 gal, is designed for camping, Rving, boating or any other recreational activity. Its sturdy polyethylene construction is compact and lightweight. This Camco toilet 5.3 gal holding tank is detachable and includes a sealing slide valve to lock in odors and protect against leakage. It includes two side latches to secure the tank to the toilet and a carrying handle for easy transport. This portable toilet for boat employs an easy to use bellow-type flush and pull slide valve for easy flushing.