Voila does not provide an unlimited data eSIM for Southeast Asia. All of the plans listed for the region have a specified data cap, the largest of which is 50GB for 180 days. Other available fixed data plans include 20GB for 30 days and 20GB for 90 days, as well as a 10GB option for 30 days, each covering the same set of Southeast Asian countries.
Because the plans are fixed‑data bundles, they can be more cost‑effective for most travelers. Only users who anticipate using a very high volume of data in a short period might benefit from a plan that offers a higher data allowance or a different billing model.