Specification: Material: aluminum leaf Color: Silver Recommended installation temperature: -10 C ~ + 60 C Ambient temperature of Resistance: -40 C ~ + 149 C Waterproof and fire resistant: Yes Thickness: 5mm/7mm/10mm/20mm Characteristics: brand new and high quality. Flexible, resistant 'crushing, non-toxic and fragrance-free (does not feel), creates a mold-resistant vapor barrier. can make heat from the engine uniformly distributed to avoid overheating the cover. keep 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 includes: 1 pcs sound deadener Notice: Please allow a Error from 1 to 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.