3.5" tall by 2.5" wide. Can be sewn into whatever you desire or heated by melting the dried glue on the back into your fabric of choice.
To apply: grab a piece of parchment paper, put it over top of the patch which is down on your fabric. Plug in your iron, let it heat up. Place parchment paper overtop of the patch and using medium pressure, hold on the garment for 30-45 seconds, lifting every 10 or so seconds as needed.