Package include: 10PCS 40CM×25CM Sound Deadening Specifications: Material: Aluminum & Foam Features: car heat / sound insulation Size:40CM×25CM Thickness: 6mm(236mil) Function: Car sound insulation Temperature Rating: 200 Degrees nominal Outer Material: 99.4% pure polished aluminum reinforced facing Reinforced / Crush Resistant: Yes Mildew & Mold Resistant: Yes Water resistant: Yes Non-toxic: Yes Feature: .
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