Pentagonal Tunnels 22K Gold PlatedFlesh tunnels for stretched lobes with an asymmetrical pentagonal decorating a wide front flare cast in sterling silver 925 and plated with 22K gold, then coated with a clear, hypoallergenic nano coating to protect the gold plating and extend its life. The wearable height is 9 mm and the back flare adds 0. 5 mm to the total diameter of the tunnel. Tunnels range in size from 6 gauge (4 mm) up to 1 and a half inch (38 mm). Tunnels are sold in pairs.