Product Overview: Brand New Hemisphere GridAcoustic FoamMade by Imported High Quality Polyurethane FoamSound-Absorbing FoamHigh density acoustic foam cell structure for maximum noise absorptionHelps to flutter echoes and reduce excess reflections and reverberationImproves vocal clarity and acoustics of your roomHighly fire retardantIdeal for use in recording studios, home theatres and karaoke roomSize & Dimension: 20 x 20 x 5cm (7.8 x 7.8 x 1.9 in) NOTE: We may split your order into multiple shipments for postage. And due to shipping requirement, we compressed (vacuum sealed) the acoustic foam for easy shipping. Please kindly give it until 24 to 48 hours for the foam to restore to its normal size. This New Acoustic Foam is made with High Quality Imported Foam. Sound vibrations are broadcast thru the air, causing issues with noise entering and exiting your house studio. This sound absorbing Polyurethane foam panel is designed to reduce echo within an environment. The Acoustic Studio Foam enhances the sound quality and aesthetics of any recording or listening environment.