Sound Proof Foam Panels, Kuchoow 12 Pack Thicken Acoustic Panels Self-adhesive Sound Proof Panels for Walls Doors Home Decor(2" X12" X 12", Pyramid)

✅Upgrade SELF-ADHESIVE Backing: The sound absorbing panels are self adhesive backing design so you don't need to buy the glue. It's cost effective and saves money comparing to other competing products.✅ FAST RECOVERY INSTRUCTIONS: Once unpacked . leave to recover its original shape for 48 hours before use. Alternatively . you can skip the above steps and dip directly into water . wring out and blow dry to restore the original shape.✅Can Be Mounted on Various Surfaces: The sound absorbing foam is cutable and stick to various surfaces such as windows . doors . walls . fabric . glass . and even car trunks. A small tips from real customer advise: If you want to remove these foams without damaging the surface . you might need to blow the acoustic panel surface with hot air until the glue is soft and easy to remove from the wall.✅High Density: The sound proof foam panels is made of 25KG/m3 HIGH DENSITY 100% polyester fiber . providing a NRC rating of up to 0.87 . which is non-toxic . non-irritating odor . safe to breathe and touch. Each acoustic wall panel can cover about 1 square feet.（12 Pack covers 12 square feet) It's convenient for you to calculate how many panels you need to buy.✅Superior Sound Absorbing: It effectively reduces unwanted echoes . waves . reverberations . and tremor echoes . making other sounds clearer. But there are some infos for you: the sound absorbing panels really do have an effect on reducing the decibels. But it is not able to completely isolate the sound from the outside by 100%. The sound absorption effect depends on whether the entire room environment has sufficient closure or not.