Mercury - Tow N Stow Outboard Cover Verado Series White Polysoft II 8M0228539. Overview. Anyone who runs a big boat with a 600 horsepower Verado on the back knows the kind of pride that engine inspires. It is the heart of the whole setup, and when you are towing down the highway or buttoning things up for a few weeks between trips, you want it protected. This Tow N Stow cover brings that easy, steady sense of reassurance-like closing the cabin door before a storm. Once it is cinched in place, yo