Thickness: 0.4 inches (9 mm)
Size: 11.8 x 11.8 inches (300 x 300 mm)
Material: Polyester
Color: Gray
Includes 6 gypsum pins.
By attaching it to an interior wall, it demonstrates the absorption and sound dampening effect.
Excellent breathability, flame retardant and abrasion resistance.
Absorbs 35-60% of the normal everyday sound (1-2 kHz). Absorbs 60-80% of the treble (2-4 kHz) that makes people feel uncomfortable.