TIL - Hagaki postcard

I had to print a DHL label to send back my old , Apple M1 work laptop. The only printer I have is the Canon Selphy CP-1500 which isn&rsquo;t great for that task. But, I&rsquo;m lazy to go outside. I set up the printer on the current work laptop, but the only paper print size it offered me was Hagaki . Looking online I found out it refers to a standard printing size in Japan. Basically, Hagaki is a…