High-Density Material: VEVOR Soundproofing Mats feature a premium 200mil (5.1mm) aluminum with foam material. With its substantial thickness, it significantly reduces the transmission of interior noise in your vehicle, effectively isolating various noises generated while driving. These mats offer outstanding performance and exceptional quality, making them a perfect choice for automotive enthusiasts. Exceptional Soundproofing: 3-Layer Composite Structure: Our soundproofing material boasts a 3-layer design with a heat-resistant aluminum foil surface, A-grade high-density noise-reducing foam in the middle, and a strong adhesive backing. It excels in soundproofing, heat insulation, waterproofing, and fire resistance, ensuring a quiet and comfortable driving space throughout the year. Simple 4-Step Installation:VEVOR Soundproofing Mats require just four simple steps! They come with a strong self-adhesive backing that not only ensures excellent adhesion but also makes installation a breeze.