This is our Viking Seer necklace and it is adorned with real Buffalo teeth and Volcanic rocks along with hand carved bone beads from the Native lands, a hand carved stone skull, and beautiful orange citrus beads to make this a truly special necklace, sure to get compliments. The necklace does not have a clasp opening and is fixed and should fit over a 25" head or smaller, please measure the circumference of your head before ordering to ensure fitment.