This is an iron on patch that we print and dye here at Runaway Press. It's a 3 color screen print on Pimatex Cotton that is back with wonder under. That means you can iron it to anything you like! (anything that can withstand 5-12 seconds of heat from an iron, that is). 

100% of the sales of this product are donated to the Faustman Lab, a place where a cure for type I diabetes is being developed. For more information: http://www.faustmanlab.org