A4 is a standard size in countries other than the USA.
Perhaps you could try websites, or Ebay sellers, that are based in Canada, if shipping cost is a problem.Yes, I'm aware. And that's why it's difficult for me to find them.
Perhaps you could try websites, or Ebay sellers, that are based in Canada, if shipping cost is a problem. And it can take longer to have things sent from overseas, at the moment.
Jesus Christ