Material: titanium steel Weight: 0.01kg The jewelry is electroplated in real gold Overall anti-allergy process design All products are shot in real life Product size manual measurement, for reference only Accessories wear need to pay attention to the following precautions 1. Avoid wearing them when washing your hands, wearing perfume, or using skin care products. 2. Frequent contact with household cleaning products will also cause damage to electroplating or precious stones. 3. Avoid wearing them when going to the beach, swimming or other sports. 4. Avoid rubbing the pendant against the necklace and don't wear multiple rings on the same finger. 5. Do not put the jewelry too close to high temperature heat sources, X-rays or other radioactive sources.