[Excellent Sound Insulation] Our sound insulation foam is made of 215kg/high density and polyester fiber, which has the huge advantage of reducing and absorbing noise, and is also safe to enter and touch. In addition, the soundproof foam board has also been tested for noise reduction, reaching the NRC 0.92 of the soundproof board in the market. [NO MORE INSTALLATION WORRY] You don't have to struggle to get it where you need it. Acoustic foam panels can be easily fixed with nails, spray glue, or double-sided tape (not included) when you're out and about. Our acoustic panels are lightweight so they can be securely attached to a variety of surfaces. Easy to shape and cut to size, changes will not affect performance. [SAFE-] Our acoustic panels are soundproof, flame retardant, odorless, non-slip, corrosion-resistant, and fade-resistant, so they are safe for adults, , and pets. Use our studio foam panels on the ceiling, behind the TV, or under the carpet. , leaving countless good memories in a comfortable environment. [Wide Application] Acoustic treatment for many occasions, not only suitable for local sound treatment on studio walls and offices, but also can be used in recording studios, control rooms, offices, home studios, home theaters, and home offices. In addition, our acoustic foam panels are also ideal for wall decoration due to their wide range of colours. Good noise reduction effectIf you are mixing in a recording studio, you must reduce the ambient sound. Unnecessary noise during recording can ruin it. Acoustic panels can absorb sounds produced by low, mid and high frequencies, making them ideal for recording. Size: 30 x 40 x 0.9cm Material: Polyurethane fiber cotton Color: White Package contents: 12 x Sound-absorbing panels Only the above package contents, other products are not included. Note: Light and different monitors may cause the item's color to be slightly different from the real thing. The measurement allowance is +/-1-3cm. HG