Amazon Basics Car Sound Deadener, 18″ x 32″ (9-Piece)

Car sound deadener (9-piece) for creating a quieter and more comfortable in-car experience
Sound-proofing material (made of butyl rubber compound based substrate) helps reduce annoying vibrations and noises from the vehicle and road
Strong self-adhesive backing for secure placement; reflective aluminum foil on the front for better thermal insulation
Pliable material; easy to cut and install in a vehicle interior, cabin floor, or trunk; installation kit includes instructions
Each 0.1-inch-thick piece measures 18 by 32 inches (LxW); 36-square-foot total coverage area