Tote-N-Stor products allow you to easily dispose of wastewater without having to break camp. All tanks come completely assembled and are made of blow-molded light weight and sturdy polyethylene, they won't rust or corrode. Tote-N-Stor tanks can be used for gray and black water.• Compatibility: Tote-N-Stor 15 Gallon/ 25 Gallon/ 32 Gallon Capacity Portable Waste Holding Tank• Finish: Zinc plated• Color: Yellow• Material: Steel Low-Profile Design Easy To Install | Tote-N-Stor Portable Waste Holding Tank Towing Bracket in Black