is_customized : YesCertification : NONEDensity : OrdinaryModel Number : Wedge TilesMaterial : SpongeSize : 30x30x2.5cmType : Sealing StripsEcho reduction, Reduce Sound ReverberationHard surfaces inside the studio are the main causes of sound reflection, corners are the cause of reverb and any windows or mirrors will cause bouncing of sound.The goal of Our Acoustic Foam Panels is stopping these issues using state of the art acoustic panels. Feel the difference right away!Music, voices of a bus, or one night conversations about night.These sounds enter our living space and work through the ways everyone knows, such as windows, doors, floors, walls and ceilings. To reduce the volume, you must create an obstacle to it or moderate it.Product Feature:Professional acoustic technology design.Excellent elasticity.Non-toxic.Powerful sound absorption.A great inexpensive way to clear your room of low end bass nodes.Acoustic Foam Recovery Methods :1. Open the package, And soak the foam in water for 1 minute.2. Wring the foam out water, Air dry it or use a hair dryer optionally.3. Use Adhesive Tabs Mounting, And then install the foam on wall.