This is an awesome Mustache and Monocle Glow in the Dark Ear Plug. This ear plug has a gentleman's mustache with a monocle above it to give it a classy and trendy look. This ear plug is made up of high quality acrylic material. This plug is single flared with a black o-ring for the back. This plug glow in the dark so the image of the mustache and monocle can stay visible even at night. This plugs comes in size 9/16 inch, 5/8 inch, 3/4 inch, 13/16 inch and 7/8 inch. The plugs are completely nickel free.