the polyether is good?

[neto333]

hi, i bought a polyether cloth, but i don´t know if is good to clean the screen of my devices, in the store where i bought the cloth they say that is good to clean screens, but i hear that the polyether can scratch the screens.
is like this.

 

[filmbuff]

Er, polyether? Those look like they're for car buffing.

 

[puma1552]

looks like microfiber, maybe the same thing😕

definitely for cars

 

[neto333]

looks like microfiber, maybe the same thing😕

definitely for cars

this is the cloth http://www.evriholder.com/Fuzzy-Fingers.asp
says that is microfiber, but in the label says polyether.