Material: Resin, artificial crystal, alloy.Treatment process electroplating.Set combination earrings + necklaces.Mosaic material alloy inlaid artificial gem/semi-precious stone.Circumference 51cm (inclusive)-80cm (inclusive);Extension chain 10cm or less.Weight 114g/pc.Easy to Match Lady Necklace: Our necklace can match any clothes. Paired with everyday clothes, you can add more color to your ordinary life. Paired with a noble dress, lady necklace set can set off your temperament and make you look more beautiful and generous.Perfect gift to your beloved ones:Women necklace is the best gifts for yourself, mom, daughter, wife, sister, girlfirend on Birthday, Wedding, Anniversary, Mother's Day,Thanksgiving, Christmas, New Year, Valentine's Day.Jewellery set is also suitable for party, shopping, work, leisure life.Care Tips for Jewelry:Store your jewelry separately to avoid the scratch and oxidation.Keep away from chemicals, sweat, bath, crash to avoid any damage.Rub your jewelry with clean cloth to bring back the shine.24 Hours e-mail reply. Hope you have a good shopping experience.