This little feeder is great for foals and other small animals. Built-in bracket hooks over any 2-by-wide board for portable use in barn, stall, pasture, or pen. Two eyelets provided for permanent mounting with screws (not included) if desired. Made of tough, DuraFlex plastic. Measures 9.75 inch long by 11 inch wide by 5.5 inch high, holds 6 quarts (1.5 gallons).