100 gallon, black stock tank, 25"h x 31"w x 52"l, durable structural foam, single piece seamless construction, engineered to withstand cold weather, high winds & ill-tempered animals, rustproof, dent, crack & corrosion resistant even when frozen solid, heavy duty reinforced underside ribs, caged heaters & float valve systems are accepted, drinker's wide, tilt-back opening makes it easy for hogs, sheep & goats to use, 1.5" oversized drain plug, use for small animal dipping, disinfecting & washing, duramold construction for rugged farm tough applications, large plastic drain is easy to open & use.