This Hook Over Feeder is more crack-proof, crush-proof, and freeze-proof
than plastic. The molded-in bracket easily hooks over any 2-by-wide
board for an instant portable feeder. Rubber is naturally safe and soft
for animals.

Instant portable feeder for horses, sheep, goats, alpacas, llamas, and
other livestock
16.9" L x 13.09" W x 9.12" H
Use indoors or outdoors year-round
Holds 16 quarts (4 gallons)