Hello! Welcome to our store! The quality is the first with the best service. Customers are all our friends. fashion design, 100% new, high quality! Specification: Material: Aluminum sheet Color: Silver Recommended installation temperature: -10 C ~ + 60 C Ambient resistance temperature: -40 C ~ + 149 C Waterproof and fire resistant: Yes Thickness: 5mm/10mm Characteristics: brand new and high quality. flexible, crushing resistant, non-toxic and fragrance-free (does not feel), creates a mold-resistant vapor. can make heat from the engine Uniformly distributed to avoid overheating the lid. keeps your interior cooler in summer and warmer in winter. reduces unwanted sounds and most vibrations. effectively blocks 97% of radiant heat transfer . Installation: 1. Clean the dust and oil that cover the place you want. 2. Size of the engine cover long before consistency. 3. Remove the insulation paper and glue the thermal insulation stamp in the angina lids. 4. Finally, press it, in particular on the concave-convex position nearby and the concave-convex position of the traiang. The package contains: 1 pcs sound deadener Notice: Please allow an error of 1 2cm due to manual measurement and make sure that you don't mind before ordering. Please understand that colors can exist chromatic aberration like the different placement of images. about the product: All products are 100% new, usable and carefully checked before sending. 100% safety, harmless to the body, (it is normal that you feel a slight smell when the first opening, because the product was in a sealed packaging for months. Please clean it and dry it naturally, the smell will soon disappear.)