ETravelSim offers several eSIM plans that cover Southeast Asian destinations. The Travel eSIM for Asia plan includes Indonesia, Malaysia, Philippines, Singapore, Thailand, and Vietnam. The Southeast Asia eSIM plan adds Cambodia and Laos to that list, covering Indonesia, Cambodia, Laos, Malaysia, Philippines, Singapore, Thailand, and Vietnam. The Seafarer eSIM, which spans 180 countries, also includes the same Southeast Asian countries: Indonesia, Cambodia, Laos, Malaysia, Philippines, Singapore, Thailand, and Vietnam. Finally, the Global Flex 365 eSIM covers Indonesia, Malaysia, Philippines, Singapore, Thailand, and Vietnam. None of the plans list Brunei, Timor‑Leste or Myanmar as coverage areas.