The only permanent "non stick" surfaces I ever saw were my cast iron Dutch Oven and my cast iron skillet. This was only after conditioning them with oil. Teflon coatings wear away sooner or later.
I bought my last "non stick" backpacking pot a long time ago. It ceased to be "non stick" very quickly. I saw flakes too. Now I stick (pun intended <img src="/forums/images/graemlins/grin.gif" alt="" />) to uncoated Ti or hard anodized aluminum.
If you only travel on sunny days you will never reach your destination.*
* May not apply at certain latitudes in Canada and elsewhere.