Stainless Steel Made, Never Rust or Green Finger Hypoallergenic, Safe to Wear in Water/Oil/Shampoo/Detergent, Strong and Durable Unique gift for mother, wife, girlfriend, lover, fiancee, friends on Mother’s day, Valentine’s day, birthday party, festival celebration, anniversary, formal events, etc. Promise 90-day Products Exchange or Money Back Guarantee. That is our promise. So, if you're not completely happy with your purchase within the first 90 days, just let us know. We will do whatever it takes to make it right.