A Better Choice For Feeding Slow This Slow Feed Hay Bag is ideal for the horse who gobbles down their food. Made from heavy-duty vinyl with a top band of flexible steel and heavy plastic for easy loading of hay. Webbing holes are 2-1/2" sq. and can be used as double-sided feeding. Size is 23" wide x 26" tall and designed to aid in slow feeding for better digestion. This bag also reduces hay waste. Black only.