Feature 1Sound Deadener: Strong sound insulation and absorption performance, high quality heat insulation mat. 2Heatproof: Block transmit sunlight, engine, exhaust pipe heat to the cab, reduce air conditioning energy consumption, saving fuel. 3Long Durability: Durable outer cover material for tough environments. Easy to cut and fit, nonflammable, flame retardant. 4Wide Application: Sound deadening acoustic insulation for automotive, marine boat, home, RV etc. 5Waterproof: It is a waterproof lightweight deadener, has no odor, and it's flexible which make it easy to install.Item Type:Sound Deadener MatMaterial: Aluminum foil + cottonSize: Approx. 0.5x1m/ 1.64x3.28ft .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Roll ofSound Deadener Mat