Large shark tooth and beads adjustable (14-28) necklace. Tooth is approximately 1 inch across and .75 inches long. Tooth was from a 10 foot shark. All sizes are approximates. To lengthen necklace grasp knots on either of the pendant between thumb and index fingers on both hands. Using even pressure pull knots in opposite direction until desired size is reached. Once on to adjust smaller do the exact action in reverse.