Go to your local Dollar General, Dollar Store or Big Lots and see what they have. If cost is your motivating factor, you can;t go wrong at either of these places.
Wife DD is a 2010 Jeep Wrangler Mountain Edition.
Wife toy is a 2008 Chevrolet Corvette.
My DD is a 2010 Jeep Commander.
My toy is a 2012 Chevrolet Camaro SS Convertible, 45th Anniversary Edition.
:props: I agree...I have used one for years on every car I have owned and have never introduced any kind of marring or scratching. I currently use it on my wifes 08 Vette (JetStream Metallic Blue) and my 2012 Camaro SS (Carbon Flash Metallic).