Hello Welcome to our store Quality is the first with best service. customers all are our friends. Fashion design,100% Brand New, high quality Specification: Material: Aluminum foil Color: Silver Recommended Install Temperature: -10C ~ +60C Resistance Temperature Range: -40C ~ +149C Waterproof fire-resistant: Yes Thickness:5mm/10mm Features: Brand New and high quality. Flexible, crush resistant, non-toxic fragrance free (Will not smell), creates a mold and mildew resistant vapor-barrier. Can make the heat of the engine evenly distributed to avoid overheating the lid. Keeps your interior cooler in the summer and warmer in the winter. Reduces unwanted sound and most vibrations. Effectively blocks 97% of radiant heat transfer. Installation: 1. Clean the dust and oil which cover the place you want to. 2. Trim engine cover size well before the coherence. 3. Remove the isolation paper and stick the heatinssulation pad in the angine covers. 4. Finally press it evently,especially pay attantion to nearby theaaquare and the traiang concave-convex position. Package included: 1 Pcs Sound Deadener