Turquoise Howlite Stone Double Flare Tunnels: A stunning teal that harbors delicate black veins, made of howlite stone dyed an eye-opening turquoise/blue color. This is also the reason why each and every plug is unique, but rest assured that we’ll give you a matching set. Double Flared Stone tunnels available in sizes 0g - 1 & 1/2” inches.