1. After preparing the detergent, we can use a towel dipped in detergent to scrub the sunshade.
2. In addition, we choose detergent without alkali because such detergent can not only remove the stains on the umbrella, but also will not harm the sunscreen layer of the sunshade.
3. This method can clean the sunshade without harming it. You may as well try it.
The basic details of beach umbrellas in this article have been explained, and I hope it will be helpful to everyone.