Airalo is a company that provides eSIM (embedded SIM) solutions for travelers. eSIM technology enables users to connect to local mobile networks without the need for physical SIM cards. Airalo offers a platform where customers can purchase and manage eSIMs for various destinations around the world. With Airalo, travelers can browse and select eSIM data plans from different mobile network operators in their destination countries. These eSIMs can be activated instantly, allowing users to access mobile data services for their smartphones, tablets, or other devices while traveling.