These seem to be the droids you're looking for.
 
This item is made to order, and will come like they are shown above. 
All patches come with velcro unless stated otherwise.
 
What's included:
2x4 Service Droid OR Service Droid in training patch
2x4 I work for them Patch
2x4 Ignore me Patch
2x4 I dont understand human patch
4x4 Not the Droid Patch
4x4 No thank you patch
 
 
Due to the nature of the screens and images some colors may look different and it may not look exactly like the image.
 
These are for task trained service animals only.
please visit ADA.GOV for more information