Fortiflex(R) Over the Fence Feeders 20 Quart/5 Gallon Innovative and practical feeder can be adapted to most feeding needs. Can used over the fence or mounted on the wall with multi adjustable heavy duty galvanized L-shaped brackets. Made of Fortiflex"s patented Fortalloy rubber-polyethylene blend, heavy-duty design with superior construction and durability to resist cracking. Capacity markings in gallons and liters. Dimensions: 14" x 17 3/4" top x 10.5"H 5Quart Same heavy-duty construction as the larger 20 quart size with a molded in plastic bracket to fit snugly into 2" board or railwith no tools necessary. Capacity markings in quarts and liters. Dimensions: 9 1/2" x 11" top x 5 1/2"H .