Specification: Material: aluminum foil Color: silver Recommended installation temperature: -10 C ~ + 60 C Resistance temperature range: -40 C ~ + 149 C Waterproof and fire resistant: Yes Thickness: 5mm/7mm/10mm Characteristics: brand new and high quality. flexible, resistant to crushing, non-toxic and fragrance-free (does not feel), creates a vapor barrier resistant to mold and mold. can be heat of the engine uniformly distributed to avoid overheating the cover. > Keep your interior cooler in summer and warmer in winter. reduces unwanted sound and most vibrations. effectively blocks 97% of radiant heat transfer. Installation: 1. Clean the dust and oil that cover the place you want. 2. Cut the size of the engine cover long before consistency. 3. Remove the insulation paper and glue the heating pad in the angina covers. 4. Finally, constantly press, in particular the nearby attachment Theaaquare and the concave-convex position of Traiang. Package included: 1 sound shock absorber Notice: Please allow an error From 1 to 2cm due to manual measurement and make sure that you don't mind before ordering. Please understand that colors can be chromatic aberration due to the different placement of images.