"Substrates: Copper Alloy Surface: Gold Plating User Suggestions: 1. If jewelry is often exposed to sweat, jewelry coating will be easily eroded 2. To maintain the luster and cleanliness jewelry, please polish jewelry by using a cotton cloth 3. Not recommended wear jewelry while doing heavy manual work 4. For specific skin type if you have a skin allergy (rare) immediately discontinue wear of jewelry Saran Pemakaian: 1. Jika perhiasan sering terkena keringat, lapisan sepuh perhiasan akan mudah tergerus 2. Untuk mempertahankan kilau dan kebersihan perhiasan poles perhiasan dengan menggunakan kain katun 3. Tidak disarankan memakai perhiasan saat melakukan pekerjaan manual yang berat 4. Untuk jenis kulit tertentu jika mengalami alergi kulit (jarang terjadi) segera hentikan pemakaian perhiasan.