Tiger Brown & Black Coconut Shell Beads Necklace (18")Length: 18 inches, measured from end to end, including the clasp. To determine your neck size, use a flexible tape measure or cord to wrap around the base of your neck and add 2 inches for a comfortable fit. Material: Features 5mm clam shell beads, black and tiger brown coconut wood beads. The necklace is crafted from genuine clam shells and coconut shells, which are drilled, smoothed, and polished. It is durable, lightweight, and easy to care for.