BARRERA for Avon Black Cabochon and Rhinestone Leafy Entwined Branch Necklace is gorgeous as all things by this talented designer were. This piece is very interesting in that it has two openings. There is a center front hook, that is part of the design, and an adjustable back clasp. It measures approximately 19 1/2 inches wearable, adjustable downwards. It is in excellent condition.