5Pcs Sound Insulation Buffer Sponge Cotton Foam Sheet Pad 21*16*1.5CM

Description Sound Insulation Buffer Sponge Cotton Foam Sheet can effectively absorb high schoollow frequency sound remove the echo reverberation Specifications Color blackMaterials polyurethaneDensity 8 50 g cm3 Size 21 16 1 5cmSticky NOFeatures No dust the real sense of environmental protection products Polyurethane opening structure can effectively absorb high school low frequency sound remove the echo reverberation No dust with flame retardant function High resilience no deformation Note Due to the manual measurement there might be some error Package Included 5 x Sound Insulation Sponge