Features: 1.This product comes with strong adhesive, room temperature above 0 degrees without additional heating can be directly pasted. The higher the paste outdoor temperature, the more solid construction can not be removed once the paste is extremely strong! 2.Noise experts recommend to do sound insulation at the same time, do not forget the door of the shake, in the paste before the sound of cotton can be displayed before a few shake plates excellent effect, the general needs of the whole three-car sedan about 10 meters. 3.Special Note: If the owners like the engine noise, you want to completely reduce the engine noise alone on the hood on this point, sound insulation cotton is not as simple as the engine noise cotton recommended to do the noise effects of the hood and U-groove need to use aluminum foil sound insulation Cotton plate + aluminum butyl rubber shock plate (18-25 or so), the engine noise is a very complex system of sound engineering, you need to make fenders, firewall, U-shaped slot sound in the dashboard insulation engineering! Attention Please do not make mistakes Errors with a long time burning and take the gas stove to burn, because the cotton with a sticker does not trigger the other car can not reach the fire conditions Once the fire conditions in addition to the metal parts inside the car can set fire to all the burning items, the proposed owners do not have private electronic appliances installed, the proper use of cars. Package included 1 x roll of absorbent cotton,"