Brown Wire Wrapped Sea Glass Necklace designed using an 18-gauge silver tarnish-resistant wire with 20” length black waxed cotton cord. $15.00 Brown Wrapped Sea Glass Necklace designed using an 18-gauge silver tarnish-resistant wire with 20” length black waxed cotton cord. $15.00 Aqua Spiral Wire Wrapped Sea Glass Necklace designed using an 18-gauge silver tarnish-resistant wire with 20” length black waxed cord. $15.75