This product is suitable for marble floor, water grinding ground, metal sanitary ware, imitation porcelain sanitary ware and gold black parts. We recommend that you wear gloves when using them. Do not touch your eyes, skin, or clothes. If you accidentally touch them, rinse them with clean water immediately and do not let children and pets touch them. If you eat by mistake, please drink plenty of milk or clear water immediately and see a doctor immediately. Do not use it with bleach or other chemicals, such as 84 disinfectant, bleaching water pipe dredge agent, etc. to avoid harmful gases.