A Blonde and Her BagSemi-Precious Bead Necklace ExtenderSemi-precious beaded stone necklace extenders.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). Handmade with love in Sausalito, California NOTE - This item is exempt from any sale or discount coupons.