HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Product Features Efficient Soundproofing The 30Kg/M_ High-Density Polyurethane Foam Effectively Absorbs High-Frequency Sound Waves Improving The Absorption Of Vibration Echoes Reverberation And Noise Which Helps Reduce Noise Pollution And Enhance Sound Clarity. Excellent Performance This Material Boasts Multiple Superior Qualities Including Soundproofing Heat Resistance And Safety. It Quickly Rebounds After Being Opened Maintaining Its Full Shape Without Collapsing And Remains Stable Even With Long-Term Use. Easy Installation The Acoustic Wall Panels Can Be Easily Paired With Glue Or Nails For Use. It Is Lightweight And Easy To Secure Allowing For Installation In Just Three Simple Steps-Simple And Practical. Various Specifications Includes 4 Egg-Shaped Foam Panels Covering 32 Sq.Ft. You Can Purchase The Appropriate Quantity Based On Your Needs Reducing Noise While Beautifying Your Indoor Environment. Wide Applications The Three-Dimensional Structure Allows Sound Waves To Be Reflected And Scattered Multiple Times When They Hit The Recessed Surface Effectively Reducing Noise. The Sound Dampening Panels Can Be Widely Used In Recording Studios Home Theaters Offices And More.