Singapore - 2 SGD (Smartpac). Free postage for all local healthcare workers. Use code healthcareheroes to offset your postage fees. Thank you, selfless heroes!
United States of America - 21 USD (International mail receive within 14 working days), 42 USD (Speedpost receive within 5 working days). Click here for more details.
If you are buying from the U.S., you may select USD at the bottom of the website.