This shark tooth necklace features an awesome genuine Mako Shark Tooth held by attractive wooden beads and black waxed cords. The length of the necklace is adjustable for your perfect fit from 16 to 32 inch by sliding the slip knots of the waxed cords. A cool looking Ocean-Inspired beach surfer Shark Tooth Necklace for Men Women. Pendant Material: Genuine Mako Shark Tooth Shark Tooth Size:1.2 X 0.8 inch (30mm x 20mm) Shark Tooth Necklace Length: 16 to 32 inch adjustable by sliding the slip knots of the waxed cord. This shark tooth necklace features an awesome genuine Mako Shark Tooth held by attractive wooden beads and black waxed cords. The length of the necklace is adjustable for your perfect fit from 16 to 32 inch by sliding the slip knots of the waxed cords. A cool looking Ocean-Inspired beach surfer Shark Tooth Necklace for Men Women.