1. xxRestoring Acoustic Foam Sizexx: - After opening the vacuum package, let the foam air out for 12-24 hours. - Alternatively, soak in water for 1 minute, wring dry, then air or blow-dry. 2. xxSoundproofing Principlexx: - The foam reduces noise by reflecting sound waves internally. - Safe and effective for sound absorption without harming health. - Durable material maintains long-term performance occasional vacuuming or dusting is sufficient. 3. xxHigh-Density Flame-Retardant Materialxx: - Made of eco-friendly, fire-resistant material with wide absorption spectrum (500Hzand). - Exceeds industry density standards by 30 percent , improving sound clarity by reducing echoes and vibrations. 4. xxInstallationxx: - Attach using adhesive tape on corners and center, or use spray glue as needed. 5. xxUsagexx: - Ideal for sound control in small or medium rooms (studios, listening spaces). - Reduces reverb, flutter, and unwanted noise. xxDetailsxx: - Colour: Black - Material: Polyurethane - Size: 30 x 30 x 25cm - Package: 60 foam panels (no additional items included). xxNotexx: Slight color variations may occur due to lighting or screen differences. Size tolerance: 1-3cm.