The Behlen Farmaster Stock Tank is a one piece molded all-poly tank. Extra heavy duty, molded rim for additional strength, with "sealed" top lip for easy dumping. Heavy duty, molded-in aluminum drain fitting and 1-1/4" poly drain plug. Poly is FDA food grade approved, tested to -20 degrees F, corrosion free, impact resistant, and recyclable. Tank contains the proper amount of UV inhibitor to prevent deterioration from sunlight. Ideal for all watering needs.  Measures 2' x 2' x 4'. Color - Granite Gray.  100 Gallon Capacity.