Sound Deadener Roll 4.5M x1M Heat Shield Insulation Noise Proofing Deadening MatDESCRIPTIONAnnoying outside noise disrupting your driving experience? Why worry when you have this Sound Deadener with you. With it, you can say NO to excess sounds and YES to the quieter surrounding. How does it do it? The pad is uniquely structured with multiple layers of aluminum foil and rubber foam that effectively reflects sound and absorbs vibration. Apart from limiting the sound, it is also highly effective in preventing hot and chilling