The biggest feature of SIM service by Yokoso Japan is that their cards are available to purchase at their official stores online not only in Japan but also outside of Japan as follows: Thailand, Taiwan, Malaysia, Indonesia, Singapore, HongKong, and the US. This means that you can surely get the card before arriving to Japan.
|3GB||150 Mbps||8 Days||¥2848||375MB||¥356|
|2GB||150 Mbps||8 Days||¥3255||250MB||¥407|
|3.5GB||150 Mbps||15 Days||¥3661||233MB||¥245|
|4GB||150 Mbps||30 Days||¥4290||133MB||¥143|
|5GB||150 Mbps||90 Days||¥5164||55MB||¥58|
For a more information about Yokoso Japan - Prepaid SIM Card Plans