What is the difference between these coolers?

They are the same brand and look exactly alike but this one is called "Poly-Tech"
http://www.sstack.com/shopping/product/d...
and this one is call "Tekno-Fleece"
http://www.sstack.com/shopping/product/d...

I am just curious what the difference is in what the product is made of. Also, if anyone owns any of these, do you like them?
Answers:    The poly tech is probably polyester and the tekno fleece is probably a fleece blend, possibly polar fleece

Out of the two I'd go with the tekno fleece, I own a polar fleece and a polyester cooler and the polyester one is crapola.
It looks like it's just the material. One is fleece and the other is probably some sort of polyester blend.
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