PRODUCT DETAILS •Material: Recycled brass , sterlingsilver 925 nickelfree •Diameter bullet: 17mm •Height: 10mm This solitaire ring with volving bullet is handmade in recycled brass or sterlingsilver - already a classic Care instructions: Brass is a durable and sustainable material and if you take care of it, it will stay beautiful for decades. Brass does not like getting wet, oils or perfume. To clean brass, try a mixture of lemon juice, baking powder and water. Use a dollop with a toothbrush and gently go over your brass jewelry, be careful not to use it on gemstones. You may also use special brass cleaner follow by a jewelry polishing cloth to make it shine. • Free shipping• 14-day returns• Orders are shipped within 2-3 business days