Global Travel Pass is a service that can be added to any line when you're about to travel. You pay a flat rate for calls, texts, and data for $10/day per line in over 170 covered countries or $5/day per line in Mexico and Canada. Global Travel Pass includes 512MB of LTE data per pass per day, then data is available at 2G speeds. Data used while abroad will count toward your by the gig or unlimited data option. It doesn't cover usage on cruise ships or airplanes.