After several years of purchase and use I believe all heated blankets are created equal (or pretty much so...). The materials are different. But since I place my heated blankets in the middle of my bed linen, the material is well...immaterial (pun acknowledged). Over the years, I've bought top-of-the-line blankets, bottom-of-the-line blankets and many in between. No matter the price or material, they all slowly lose their ability to heat. After several months of use, the same warmth that required a low setting requires a high setting. After a year or so, it's time to buy a new heated blanket.

Don't get me wrong... I'm a BIG fan of heated blankets. Just don't expect them to last much more than a year if used regularly.