Gorilla Glass Labret Retainer (16 gauge - 8 gauge)Glass clear labret retainer that hides a labret or Monroe piercing. Includes 1 o ring to hold the piece in place. The wearable area is 5 16 inch. Additional Info: Glass is a hand made material so it can slightly vary in size, color, and shape. All of our glass pieces are guaranteed to be within 1mm of the stated size. If you need an exact measurement or better description of the item, feel free to email us before ordering. Glass is also a fragile