The Stinger RKXHL material consists of easy-to-mold 2-layer butyl vinyl with aluminum coating. This achieves a highly reliable acoustic insulation in the vehicle, especially in the engine compartment.Product Features at a glanceHigh-density butyl vinyl layer (25mm) in a 2-layer composite with aluminum coating ensures reliable dampingStrong reduction of low-frequency road noise: reduces driver fatigueReliable acoustic shielding increases driving comfort, especially in luxury vehiclesIsolated vehicle for more efficient air conditioning system: reduces the heat emission from the engine into the vehicle interiorCan be used everywhere: self-adhesive, easily cut and moldable materialExtremely strong temperature resistanceContains: 1 mat (80x135cm)Why choose Stinger Electronics:At Stinger we design and engineer technology that makes your drive more fun. Built for audiophiles by audiophiles our products span infotainment and radio upgrades, audio upgrades and all the installation accessories to make those enhancements easy.