Professional's ChoiceSlow Feed Hay BagTop LoadTwo Detachable StrapsEncourages Horses to Eat More SlowlyPCHBS-22  This Professional's Choice Slow Feed Hay Bag is great for encouraging horses to eat more slowly and keeping them busy when tied to the trailer. This durable hay bag loads from the top and is easily hung up with two detachable straps. 21in tall x 21in wide, 9in wide, 1-1/2in square webbing.