Tough, woven material that will last for decades.  About 3" x 1.25" in size.  There is slight variation in size as some of these look to be hand made.  Please see pics for ruler photo.   

Great gift for the collector, vintage wearer or historian.  

Great addition to that vintage jacket, work clothes or display piece!   The cotton, woven patches will have to be sewn on the clothing.  

These came off work shirts from the 50s or 60s.  Some of them may have wear and stains from the actual work shirt.  It gives great worn character.