Stinger Stealth Bulk Sound Damping Material 36 Square Feet Provides superior panel and road noise reduction Similar Performance to Expert Series with 25% Less weight Improves overall vehicle acoustics and virtually eliminate unwanted vibrations Stealth Roadkill sports a slick, gloss black aluminum finish that cuts easily into any shape and becomes virtually invisible upon application 36sq-ft Bulk 9/pack (18" x 32")