... insulation performance, saving energy; easy installation and adjustment. fiberglass acoustic wall panel is made with high density fiberglass as the base ... strength, surface with the fireproof fabric; Install in the indoor wall of public place, such as the meeting room, school, studio ... .Size: 600x600,600x900,600x1200,1200x1200Thickness: 20mm,25mm,30mm,40mm fiberglass wall board