This is the company I have used:
http://www.personallypaws.com
I bought 6 over two years ago and am still using those. I have since purchased 12 more (as I went from 2 pups to 5 pups). The only real difference in any of these are the older ones are faded.
I have continued to use this same company so all of mine match. I am sure the ones made by a YT member are great also. (I think I bought mine before she starting making/selling them.)