This insulating cotton and powerful closed cell foam provide multifunctional thermal and acoustic insulation for cars. It reduces engine noise and external heat, helping to keep the cabin more comfortable. Key benefits - Improves cabin comfort by isolating engine noise and external heat. - Enhances vehicle acoustics with closed cell foam while supporting thermal stability. - Helps maintain a more comfortable cabin temperature on hot days and in winter. Function and materials - Insulating cotton is multifunctional for bonnet, doors and floor. - Closed cell foam delivers sound absorption and contributes to overall thermal insulation. Compatibility and applications - Foam suitable for roofs, doors, boot and shelf applications. - Safe when used as part of interior insulation; do not apply directly to heat sources. Installation and safety - Easy to install. Do not apply directly to heat sources such as exhaust pipes, mufflers or hot pipe sources. Performance and practicality - Improves vehicle acoustics. - Aids in keeping the cabin cooler on hot days and warmer in winter, contributing to a more comfortable ride. Use scenarios - In the bonnet area to reduce engine noise and heat intrusion. - Inside doors or on the roof to enhance quietness and temperature stability. - In boot or on shelves to dampen vibrations and improve overall acoustics.