5 Pair Set of GeoGauges Brand Silicone Tunnels (ordering a quantity of one gets you five pair) Select desired size and either all 5 colors in one shape, or all 5 shapes in one color from the drop-down menu We do not offer substitutions of this 5pk, however we do offer all GeoGauges for sale by the pair in our store and we always run a buy-3-get-1-free sale 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.