Our best-selling seaglass style necklaces made from recycled glass bottles. You will be delighted with this simple and easy to wear necklace. Finished with an 18 inch sterling silver satellite chain. Glass is approximately 1 inch in diameter. Patented. Clear from beer or wine bottle Antique Clear from Coca-cola bottle Aqua from a sake bottle Cobalt from a vodka bottle Lime from a beer or water bottles.