These are beer tap plugs, made of rubber material, durable and good in texture. It is made with excellent craftsmanship, has good performance, and can play a dust-proof protection effect.Completely covers tap spout keeping them clean and bug free. No more annoying come buzzing about. Features -Color:Black. -Material: Rubber. -Size: About6.00X1.70X1.70cm 2.36X0.67X0.67in.- It has good dustproof and dirt-proof effects, and effectively protects your beer tap.- Fine workmanship, excellent texture, not easy to tear, fastened and durable, and will not fall off easily.- The product design is reasonable, efficient and practical, stable in characteristics, and high in reliability.- This is an excellent and professional dustproof caps, which will meet your different needs.- It has a wide range of uses and can be used as a protection caps for tap, beer faucet. Packing list: 10 x beer tap rubber covers