There are several eSIM cards that are great for international travel, and the best one for you will depend on your specific needs and the countries you'll be visiting. Here are a few popular options to consider:

Google Fi: Google Fi is an eSIM card that allows you to use your phone internationally with no extra fees. It provides coverage in over 200 countries and territories, and offers affordable data plans with unlimited texting and calling.

Truphone: Truphone is an eSIM card that offers coverage in over 190 countries, with no roaming fees or hidden costs. It offers data plans starting at just $15 for 1GB, and allows you to add multiple phone numbers on a single SIM.

Airalo: Airalo is an eSIM card that provides coverage in over 100 countries, with data plans starting at just $5. It allows you to purchase data plans in advance, and you can activate them as soon as you arrive at your destination.

GigSky: GigSky is an eSIM card that offers coverage in over 190 countries, with data plans starting at $10 for 1GB. It provides easy activation and allows you to purchase plans in advance.

When choosing an eSIM card for international travel, it's important to consider factors such as coverage, cost, data plans, and ease of use. Be sure to research and compare different options to find the one that best fits your needs.