Specification Material: Glass fiber + Rubber foam Recommended installation temperature: -10 C ~ + 60 C Ambient resistance temperature: -40 C ~ + 149 C Waterproof and fire resistant: Yes Thickness: approx. 6mm/0.18 '' Size: approx.1m * 0.5m/39.37 '' * 19.68 '' Characteristics: Flexible, crushing resistant, non-toxic and fragrance-free (self-glue Adhesive has a certain smell), creates a barrier of resistant mold and rusty steam. can make heat of the engine uniformly distributed to avoid overheating the cover. keep your interior cooler in summer And warmer in winter. effectively blocks 97% of radiant heat transfer. reduces unwanted sounds and most vibrations. settles easily, adapts to all types of vehicles, Self-adhesive and waterproof support. Depending on the effect you want to choose the construction program, only soundproofed/ Damping plate or thermal insulation cotton unique or both 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 pad in the engine lids. 4. Finally, press evenly, especially pay attention to the concave-convex position nearby. The package includes: 1pcs soundproofing