Natural organic plugs and tunnels are recommended for healed piercings. Be advised, some people may have an allergic reaction to certain types of wood. Do not expose to direct sunlight and always keep in a dry well ventilated area. Wood is heat and moisture sensitive and can warp, swell, or crack if not cared for properly. Please note these plugs and tunnels are made of natural materials and hand produced, the gauge may vary + or - 0.5mm.