The Rotating ISP package is a flexible choice where users cannot select specific countries or regions because IP addresses are randomly allocated. 

This means that you may receive IP addresses from different countries and regions, which can help you better hide your actual location and enhance network security. Moreover, you can customize the duration of IP usage according to your own needs, allowing for greater flexibility to meet individualized network requirements. The flexibility and security provided by the dynamic ISP package make it an ideal choice for many users, particularly those who need to frequently change IP addresses to protect their privacy and security.