Features
This product will keep the inside of your ride cool and quiet - it's easy to install and keeps out the heat and unwanted noise, works so good that of you put it in your doors it gives them a solid modern sound when they close. Could be used on floors, firewall, door panels, trunk, roof and any interior areas that should be insulated 
No powder and Excellent vibration resistance 
Excellent sound absorption properties 
Will not contribute to metal corrosion 
Easily installs, fit all kinds of vehicle type 
Self sticking backing and Waterproof, dustproof. 

Note: Not to be applied directly to heat source including: exhaust pipes, mufflers or hot pipes

Installation
1. Remove the door panels
2. Install the screws back in original place, it will easy be found when you mount, avoiding holes be covered
3. With roller tools will make insulation materials and sheet metal firm fit, and play best adhesive, damping performance
4. According to the effect you want choose construction program, only single Soundproof/Damping Plate or single Heat and Noise Insulation Cotton or Both them.
5. You can also use on car roof floors, hood , firewall, chassis, trunk room, trunk lid and so on.. Do not cover the chassis wiring or air holes.

Specifications
Size: 4m(157") length, 1m (39") width, 5 mm thickness (197mil)
Product Name: Heat Sound Deadener Insulation Mat
Manufacturer Part Number: Does Not Apply
Placement on Vehicle: Front/Rear/Left/Right
Material: Under layer: Strong back glue; Middle layer: High density foam cotton; Top layer: Aluminum foil

Items Included
One (1) Heat sound deadener insulation mat