This high-performance sound deadening mat features a 4mm thick closed-cell foam layer bonded with strong adhesive and protective backing paper, delivering 36 sq. ft. of coverage per roll. Engineered to block up to 98% of radiant heat, it effectively reduces heat transfer from the engine, exhaust, and summer sun, helping keep interiors cooler in summer and warmer in winter. Its advanced 3-layer structure provides exceptional sound insulation, vibration damping, and noise reduction, ensuring a quieter, more comfortable driving experience. The material is waterproof and resistant to humidity, making it reliable in all weather conditions. Flexible and easy to cut, it can be customized for precise fitting on vehicle doors, hood, trunk, firewall, and other automotive surfaces. Lightweight and odorless, it s safe for occupants and ideal for DIY installation without health concerns. Designed specifically for automotive use, it enhances thermal comfort and acoustic performance across a wide range of vehicles.