11905 Contains one 32" x 54" piece of Hoodliner for under the hood of your vehicle. For best performance, use with Dynamat Xtreme. Contents: (1) 32" x 54" x 0.75" (813mm x 1372mm x 19mm) piece of Hoodliner Application: Use under hood. Get better sound, protect your car's paint finish and get that show car look with a custom thermo-acoustic Dynamat Hoodliner. The Hoodliner's "Sound Soaker" foam absorbs engine noise, delivering a quieter listening environment in your vehicle. In addition, the Hoodliner's 1 mil. reinforced aluminized skin creates a water/oil barrier that reflects up to 97% of radiant heat to protect the hood's paint finish. NOTE: The Hoodliner provides maximum noise control when applied over Dynamat Xtreme.