These thick silk adjustable solid necklaces in black and brown are sure to inspire hundreds of jewelry designs. Each necklace is a thick, durable core and can be stretched to accommodate larger designs. The core of these necklaces is black, but they feature multi-tones of brown to add a bit of visual appeal. Hanging down from the necklace is a small loop with silk cord for you to string on beads and pendants or whatever you deem appropriate. For other necklaces browse Artbeads.com's large selection.