Noise reduction mat for vehicles - 5mm soundproof cotton universal trunk1、Suitable for hoods, ceilings, doors, cockpit floors, tailgates, firewalls and U‑shaped walls, front fenders, front and rear wheels. 2、Improve the ride experience of your vehicle by reducing engine noise, tire whine, road noise, and wind noise, and will significantly improve the refinement and sound quality of the vehicle. 3、Thermal insulation to ensure that your vehicle stays cool in summer and warm in winter, making your ride more comfortable. 4、Made of high‑quality aluminum foil rubber plastic cotton materials with adhesive on the back, easy to cut, peel and paste, waterproof, flame‑retardant and scratch‑resistant. Heat resistant. 5、Block sunlight, engine, exhaust pipe heat transfer to the cab, reduce air conditioning energy consumption, save fuel. 6、Slowing down the speed of life pipes and circuits can help the front cover of the car to dissipate heat, extend the service life of pipes and circuits, and will not accelerate cracking 7、Direct sunlight in front of the shell and high temperature inside and outside the engine accelerate the aging of the paint and prevent it from aging.