Describe: Enhance your driving experience with our high-performance automotive thermal and acoustic insulation cotton! It is designed specifically for small cars and provides excellent thermal and sound insulation to make you more comfortable and quiet. Product Specifications: Material: Rubber Cotton Size: 40 cm x 25 cm and 50 cm x 200 cm Thickness: 5mm or 10mm Color: Monochrome Key Features: Excellent thermal insulation: effectively blocks external heat and cold air, prevents temperature loss in the car and improves air conditioning efficiency. Strong acoustic insulation: absorbs external noise, reduces sound interference during driving and creates a quiet driving environment. Easy to install: Can be cut into sizes as needed, suitable for installation in doors, roofs, trunks and various other areas. Environmentally friendly materials: made of renewable resources, environmentally friendly. Application Scope and Area: This product is suitable for all types of small cars, especially for drivers in cold areas, and helps to enhance vehicle comfort and thermal insulation. In addition, it is suitable for residential environments (for insulated walls, ceilings and floors), commercial buildings (acoustic treatments for offices and conference rooms), and industrial environments (equipment sound insulation and workshop noise reduction). Purchase advice: Choose the appropriate size and quantity to meet your modification needs. Easy to install does not require professional tools, so every car owner can use it. Buy now and enjoy a quieter and more comfortable driving experience! About the color: As you know, different computers display colors in different ways, the actual project's color may be slightly different from the following image.