Metal:copperFeatures: anti - allergy, Do not fade or rustWhat to wear: date/day/wedding/anniversary/proposalGift: friend/mom/dad/husband/wife/girlfriend/boyfriendSuitable for: all age groupLength: about 40cm (extended chain: 5cm)Weight: about 10gThe cute necklaces are made of gold plated brassLead and nickel free,Hypoallergenic.You can also try fashionable styles and wear them as layered necklaces together with other simple necklaces.If you are looking for a romantic valentines day gift for her, the crystal necklace is perfect. And the dainty necklace is also a perfect gift for Birthdays, Engagement , Mother's Day or Graduation. Easy go with party, dating and various occasions.