GeoGauges Brand Silicone Tunnels by-the-pair (ordering a quantity of one gets you a pair) Select desired size and color* from the drop-down menu *Neon Green and Neon Orange are blacklight reactive 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. EVERYTHING we sell is brand new, never worn. Feedback: Your satisfaction is important to us. If for any reason you feel like we don't deserve a 5-star rating in every category please allow us the opportunity to rectify the situation. While many situations such as postal delays are out of our hands, we will do whatever we can to alleviate any problems that may arise.