Pair of GeoGauges Brand Diamond Shaped Silicone Tunnels Ear Plugs Gauges Body Jewelry 1 Pair Set of GeoGauges Brand Diamond Shaped Silicone Tunnels Fast Shipping - Select your desired size and colors from the above drop down menu Material: All GeoGauges are constructed of the highest quality Dow Corning QP1 silicone elastomer and are tested and certified to comply with US Pharmacopia Class I standards for medical device implantability. Neon Green and Neon Orange are black-light reactive Ordering a quantity of one gets you a pair