A Blonde and Her BagNecklace Extender 3".Necklace extender can be made with sterling silver or 14k gold fill chain and measures 3". This easily attaches to any necklace with a clasp. Size - 3" Hypoallergenic This product is made of metal alloy (silver and copper and other metal alloy) with high quality plating (It will last for a long time without tarnish). NOTE - This item is exempt from any sale or discount coupons.