Love your earrings but can't wear them due to metal allergies? Replace your ear wires with nickel free, hypoallergenic Niobium!Can't tolerate silver, gold, platinum or surgical stainless steel? Wear Niobium! In addition to gold, silver, copper & bronze, there are many unique and vibrant colors to choose from. Choose your own colors!Please do NOT purchase from this listing. Visit FireMonkeyFindings.etsy.com to purchase. Thanks and have a great day!