I have used these for about a year now, and find them to be very good.
For "Optical" surfaces, I use the blue suede. (softer than any other I've found)
Carry 1-2 everytime I shoot anywhere.
http://www.eriecotton.com/Blue-Suede-Towels-p-186.html
The cameras don't leave "home" without:
http://www.eriecotton.com …le-Weave-Towel-p-619.html
The waffle weave has "saved" me from spill's more than once !
Both have come out of the washin' machine like new.
