ShibaSIM does not offer a truly unlimited high‑speed data eSIM for Mexico. Every plan listed for Mexico contains a hard daily high‑speed cap—either 500 MB, 1 GB, or 2 GB per day—with a reduced speed of 128 kbps applied once the limit is reached. Travelers must choose a fixed‑data plan that matches their expected usage. For example, a 2 GB/day plan valid for 7 days costs $16.69 USD, and a 1 GB/day plan valid for 7 days costs $10.89 USD, both providing the advertised daily amount of fast data until the cap and speed throttling kick in. These are the practical alternatives for those travelling to Mexico.