You can choose between euro (EUR) and and Swedish krona (SEK) in the footer at the bottom of the page.
We are a Swedish printshop and web shop so the main currency is Swedish krona (SEK).
If you are used to another currency than EUR and SEK you can check with a currency converter for example this:
If you use USD you can basically remove a zero: 600 SEK is about $60.
Please let us know if you find it difficult! We are always trying to improve.