Just use 2 of the pass till now. It can be used 5 days after the first use. Planning to use another 2 tomorrow. Easy to redeem at jtb (domestic terminal). I used it at shuri castle and naha city museum. Not value for money yet...
Traveloka Sdn Bhd (No. Pendaftaran 201501003122), Tingkat 14 Menara 2, Menara Kembar Bank Rakyat, 33 Jalan Rakyat Brickfields, 50470 Kuala Lumpur, Malaysia