50x80cm Car Sound Insulation Cotton Soundproofing Noise Deadening Mat Self Adhesive Waterproof Flame Retardant *Environmental and safe substrate High-purity environmentally friendly butyl rubber as the matrix, passed the SGS environmental protection test, no peculiar smell regardless of high temperature and normal temperature, environmental protection and non-toxic.It can be used as thermal insulation in dissipating heat, reduce energy consumption of air conditioning, save fuel and make your car cooler in summer and warmer in winter. *Excellent sound insulation and shock absorption effect It effectively isolates car tire noise, road noise and engine noise, and has the effect of reducing and stopping vibration. *Soft texture, good weather resistance, not easy to age, long service life * Light and thin texture, large damping It conforms to the trend of lightweight cars, does not increase the load, reduces fuel consumption; large damping, strong tensile strength, high elongation at break, can improve vehicle safety and operability. *Soft and elastic There is a self-adhesive material on the back, which is soft and elastic as a whole, which can be deformed according to the different shapes of the veneer, and the construction difficulty is low. *Waterproof and moisture-proof Has excellent resistance to water vapor penetration, does not absorb water, does not mold, and has a long life *Scope of application: cars, KTVs, factories, bars, recording rooms, etc.It can be installed in any part of the car, such as doors, roofs, floors, hood, trunk room, trunk lid etc.   Specifications: Condition:100% Brand New!! Product Name: Car Sound Insulation Material: +PET Color: White Thickness: 15mm Size: 50cm x 80cm Type: With and without adhesive Placement on vehicle: Trunk, Tail Cover, Roof, Indoor Wall, Car door, Hood Quantity: 1pcs Package Included: Package 1: 1x Car Sound Insulation (with adhesive) Package 2: 1x Car Sound Insulation (without adhesive)