Couple Matching Ring:They are designed for daily life and everyday wear. simple, minimalist and beauty in simplicity.suitable for any occasion,you can highlight a different style, always bring you more charming grace Size:Adjustable,approximate diameter:0.8inches，Weight：8g Material：They are made of copper materials Heart Ring:It is good ideal jewelry for yourself, your lovers,your friends,your family or other people Service:If there are any problems with the purchase, please feel free to contact us, We will reply to solve the problem within 24 hours Maintenance Instruction:a. Keep it dry and free from sweat. b. Do not touch it often, grease and sweat on hands will caused corrosion. c. Put it inside a soft cloth pocket or fabric swab, avoid it from rubbing against other jewelry. d.Do not wear the jewelry when taking shower or swimming - Put it inside a soft cloth pocket or fabric swab, avoid it from rubbing against other jewelry