Gem type: No Gemstone Material: Zinc Metal type: Zinc Primary stone gem type: No Gemstone Gem type: No Gemstone Material: Zinc Maintenance and precautions for this product: Silver cloth wiping method: Each time you wear it, you can wipe it with the silver cloth you have given yourself, and it will quickly become shiny. Silver washing water cleaning method: If the above method is not clean, silver washing water can be used for cleaning and maintenance. When doing household chores, bathing, or exercising at home, please remove them to avoid stains, sweat, chemicals, and other stains. Try to avoid placing it in the same place as other jewelry, as the hardness of various gemstone metals varies, which can lead to friction losses.