The only difference is the color. It is just another piece of foam crap that will not sell very well. Boat owners in general are not that stupid just like SPNG found car owners were not that stupid. None of their overpriced sponges are hot items.
so whats the difference between the car wash sponge and the boat sponge??
We are apt to shut our eyes against a painful truth... For my part, I am willing to know the whole truth; to know the worst; and to provide for it. --Patrick Henry, Patriot and Hero of the American Revolution