Specification: Material: Aluminum sheet Color: Silver Recommended installation temperature: -10 C ~ And60 C Ambient temperature of Resistance: -40 C ~ A149 C Waterproof and fireproof: Yes Thickness: 20mm/25mm/30mm Characteristics: brand new and high quality. Flexible, crushing resistant, non -toxic, odorless (does not smell), creates a sliding vapor barrier against mold. can distribute the heat of the engine evenly to overheat the cover. keep your interior cooler in summer and warmer in winter. < Reduces unwanted noises and most vibrations. Effective blocks 97% radiant heat transfer. Installation: 1. Clean the fabric and oil you want the place. 2. Cover the size of the hood long before cohesion. 3. Remove the insulating paper and glue the thermal insulation cushion in the angina lids. 4. Finally, it ends up, in particular, pay attention nearly Theaaquare and the concave-convex position position. The package includes: 1 pcs sound deadener Note: Do you have a mistake 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 photos.