They are couple’s rings, which are very special for couples, lovers, and also are perfect gifts for wedding, Valentine's Day, Anniversary, mother 's day and father's day. The material is titanium steel, which will never tarnish or turn your finger green. Shipping: 1. We will ship the package out by USPS first class mail next day after receiving the payment. 2. USA address: Shipping time usually takes about 3-4 days. 3. Canada address: Shipping time usually takes about 7 days. 4. Other country: Shipping time usually takes about 10 days. Return: Returns are accepted if you notify me within 7 days of receiving the item that you would like to return it. Once the item is returned to me I will refund the full amount less the shipping fees. If you would like to exchange an item please contact me within 7 days of receiving the item so we can agree on arrangements.