the dirtier the better is what they say. No problems with mine and it's 4 years old

 

I know thats what they say, but I just can't stand the thought of using a dirty duster on my car I buy a new one each season. I use the "used" ones on my daily driver, on my interior, on my plasma TV, and around the house/garage. At only $20 a year I think its a no-brainer investment for the Saleen