It's additional shipping cost charge for customers from countries other than the USA and South Korea. 
 
If the shipping address is:
in the US, the shipment will be fulfilled by Amazon's courier (FBA),
in South Korea, by CJ Logistics, and
in other countries, by Korea Post EMS.
 
The international shipping cost varies from countries, please contact us to get the estimated cost.
 
The price is USD (US Dollar).