It was more like 10 lbs IIRC. It looked, felt, and smelled like Dynamat you buy in stores, at a fraction of the cost. IMO it worked pretty well for the cost. The cabin was quieter, though most of the noise is still from the wind.

**Edit - well it says there in the listing, 7 lbs...


-Louis
1998 Black E0 #3826, lightly modded