Yes I have purchased a couple of them and they seem thicker than some that are around. I haven't tried the American ones but these are made in Australia.
I am very happy with them.
The weave in them is more even than others I've seen. There is a link through the Australian cattle dog and kelpie club of qld website
http://www.cattledog-kelpieclubqld.com/our-sponsors.asp
Hope that helps