After receiving the package, wash the product with soap and cold water and dry it after cleaning,You can use it in a few days. Don't fill up with hot water. The service temperature of this product shall not exceed 40 ℃.Do not immerse the product in water for a long time, which will damage the product. If you haveIf you have any questions after receiving the package, you can consult the customer service store.We will help you solve all product problems. Thank you for your visit:)