1. This product is a new and improved version, which can effectively play the role of fire, waterproof and sound insulation. 2. It is applicable to a wide range of scenarios and can be applied to car hood engines, firewalls and house roofs 3. It is flexible, compressive and has high safety performance, forming a protective layer against humidity. 4. It can evenly distribute the heat from the engine and avoid overheating of the cover. 5. Keep your interior fresh in summer and hot in winter. 6. Reduces unwanted sounds and most vibrations. 7. Effectively blocks 97% of radiant heat transfer. Specification: Material: rubber and PP panel Color: Black Recommended installation temperature: -10 C ~ + 60 C Resistance temperature range: -40 C ~ + 149 C waterproof and fireproof: yes Thermal and acoustic insulation: Yes Thickness: 5mm/10mm/15mm/20mm List of packaging Note: Please accept slight size tolerances due to manual measurement, and photography lighting can cause a color difference to reality.