Checkout this page for the accessory store:
https://my.insty.hosting/client/cart.php?gid=addons
Afterwards, can you please check your profile page to make sure the shipping information is correct on your account?
https://my.insty.hosting/client/clientarea.php?action=details
(The second address fields are for the shipping address)
If you're traveling, please update the shipping address to where you can receive this package and then in the address 2 line, please put how long this address will be valid for.