Flags or pennants with SOTA logo

Hello all,

I notice some activator have flags or pennants on their portable masts. How is these made?

Where can I find an graphic file with SOTA logo large enough so I can print on a A4 paper with good quality?

The idea is using transferpaper in colorprinter at my work and try to iron on fabric piece…

Any suggestions here or to my e-mail sm5kri - (at) - gmail.com

TNX in advance / SM5KRI