Package Details: Up to 10GB 4G/LTE across the world. Credit valid for 14 days from the 1st use (1st internet connection) Ready to go, the SIM connects automatically to the best local network Data tethering allowed Supported roaming destinations: Dominican Republic, Saint Kitts, Saint Lucia, St Martin, St Barthelemy, Marie-Galante Island, Guadeloupe, Martinique, France mainland (Desirada Island).