Still stuffing napkins into your spouts and thinking that's sanitary? Help maintain a clean bar and prevent those pesky fruit flies and contagions from contaminating your draft tap spouts with these simple and handy 2.25 inch "Cap a Tap" rubber protectors. This product is made from durable black rubber and snugly fits over any standard beer tap. At this price per dozen, you'd be hard pressed not to justify having a pack of these helpful bar savers! Measures at 2.25" high with a .5" diameter.