A unique gift for the gemstone fan….. this Boulder Opal bottle stopper has been crafted with a Boulder Opal handle with blue opal tones, naturally combined with the host rock. The handle has a highly polished finish with that natural character of Boulder Opal , the stopper is high quality stainless steel with rubber rings to keep your drinks fresh. The bottle stopper is 10cm in entire length, with the Boulder Opal handle measuring 3.5cm x 3.5cm.