16mm melamine sponge with sound insulation adhesive. the pattern of the soundproof panel of polyurethane foam. acoustic foam wall

15dns absorb absorber acoustic acoustical adhesive audio automobile background black blank bubble car chemical closeup coating color decibel decoration domestic equipment eraser floor foam industry insulation isolated isolation machine material melamine message music nobody noise object orange padding panel pattern polyurethane professional protection rubber scrub shape soft sound soundproof soundproofing sponge sponges sticky studio technology texture tool use useful vehicle vibration wall washcloth white work