Firstly, the adhesion is very good on the sound deadening sheet. it's not so intense that you can't pull it off if a corner contacts where you don't want it stuck, but once you apply a roller to it, it's permanent.
Secondly, it's very nice to not have a company logo plastered all over the inside panels of you vehicle. I really like that it's just plain foil backing.
Finally, the price was great for a 50 square roll.
