What is the best eSIM for a 1 month trip to Southeast Asia?

For a one-month, multi-country trip (e.g., Thailand, Vietnam, Cambodia), a regional eSIM is the best choice. Cellesim's Asia Regional plan is ideal as it's designed for this kind of travel, offering seamless connectivity on premium networks as you cross borders. This saves you the hassle of buying and installing a new eSIM in each country and ensures you have reliable data throughout your journey.