[Premuim High-Density Material] Our sound proof foam panels for walls are made of 100% high-density polyurethane foam and adopt a distinct pyramid 3D design. The contact area between the acoustic foam and sound wave is increased, which can effectively reduce flutter echo, reverberation, standing wave and high-frequency noise. The main functions of these sound foam are noise reduction, sound absorption, echo reduction, home studio improvement, music recording and effective acoustic treatment. | [Materials Safety for You] These soundproof wall panels are 2inch high density (25kg/m³), self-adhesive, flame retardant, eco-friendly, odorless and non-toxic. Our acoustic foam panels can eliminate echoes and effectively eliminate standing waves and flutter, achieving an NRC rating of up to 0.95. Meanwhile, these acoustic panels are made of non-toxic materials, do not emit any gases and are safe to breathe and touch. | [Easy to Install, Just 4 Steps] You just need to open the package and wait for 24h-48h to recovery, clean and dry the surface, tear off the backing paper and install, press firmly. Our self-adhesive sound proof foam panels can be installed on a variety of surfaces (walls, doors, windows, ceilings etc) without any tools and are also easy to cut to size. (If you need to remove the soundproof foam panels, heat them with a hair dryer. If you need to clean them, use a vacuum cleaner or a damp cloth). | [Wide Application for Your Sound Need] Our soundproof wall panels are good choice for homeowners, podcasters, musicians, renters and gamers for walls, houses, apartments, bedrooms, home theaters, recording studios, control rooms, offices, home studios, music rooms, gaming areas, closet drum rooms, acoustic studios, recording booths and other places where sound insulation is needed. Keep unwanted noise to a minimum with our sound deadening foam. | [Quality & Service Guarantee] If you have any questions or quality problems with our soundproof foam panels, please contact us and we will reply to you within 24 hours and give you a satisfactory solution. If you need other materials, colors, thickness and other specifications of acousitc foam, please contact us. Your suggestion is the most important support for us.