Specifications: Type: Sound deadener Material: High density foam cotton Under layer: Strong back glue Function: Heat / sound insulation Size: 4sheets 12"× 8" = 2.7sqft Thickness: 787mil = 4/5” = 20mm Reinforced / Crush Resistant: Yes Mildew & Mold Resistant: Yes Heat Resistant: Yes Water resistant: Yes Non-toxic: Yes Package include: 4sheets Sound Deadener Feature: 1) This product is 100% brand new. .
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