Doubles as a grain or supplement feeder. Unique design allows for feeding 50 lb salt, mineral or protein blocks, as well as loose minerals and feed for cattle, horses, goats, sheep, alpacas and llamas. High sides prevent animals from knocking block out of holder and reduce their ability to gnaw on corners, reducing waste. Universal secure hook over mounting on wire livestock panel or 2 by board. Made of tough impact resistant, high density polyethylene which protects against warping. 12.63L x 14.25W x 9.69H.