This 16-inch 3mm black rubber Caspia™ necklace will give your favorite large hole beads a classy place to rest. The necklace is finished with a high quality sterling silver trigger clasp that comes with a unique feature. One end of the clasp unscrews, allowing you to slide beads over the stringing material. With this handy feature, you can use beads with bead holes that closely match the 3mm width of the actual rubber stringing material. Try accenting this necklace with sterling silver alphabet beads or other large hole Caspia™ beads. Note: If the end is screwed too tightly it can break off.The neoprene rubber material is latex-free, so it's safe for anyone to wear!