Enhance your driving experience with our high-performance automotive thermal and acoustic insulation material, designed specifically for small cars to provide excellent heat and noise reduction for a more comfortable and quiet ride.Material: Rubber Cotton Size: 40 cm x 25 cm and 50 cm x 200 cm Thickness: 5mm or 10mm Color: Monochrome Excellent thermal insulation: effectively blocks external heat and cold air, helps maintain internal cabin temperature, and improves air conditioning efficiency. Strong acoustic insulation: absorbs external noise, reduces sound interference while driving, and contributes to a quieter in-vehicle environment. Easy to install: can be cut to desired sizes for use on doors, roofs, trunks, and other areas. Environmentally friendly material: made from durable resources with low environmental impact. This product is suitable for various small car models, especially beneficial for drivers in colder climates seeking improved vehicle comfort and insulation. It can also be used in residential settings for wall, ceiling, and floor insulation; in commercial buildings such as offices and conference rooms for sound control; and in industrial environments for equipment noise reduction and workshop sound management. When purchasing, select the appropriate size and quantity based on your needs. Installation is straightforward and does not require professional tools, making it accessible for most vehicle owners. Note on color: Colors may vary slightly due to differences in screen displays. The actual product color might differ from the image shown.