Vevor 4 Pcs Acoustic Panels, 2 Inch Thick 23.6 X 11.8 Inch Fiberglass Sound Absorbing Panels, Self-Adhesive Soundproof Wall Boar

High-Efficiency Sound Absorption: The Fiberglass Soundproof Panels Is Made With 100% White Fiberglass Liner, 2-Inch/5 Cm Thickness, With An Nrc Value Of Up To 0.95, Effectively Absorbing Mid-To-High Frequency Noise, Reducing Echoes And Reverberation, And Creating A Quiet And Comfortable Environment For You | Self-Adhesive Design: The Back Features A Self-Adhesive Design With 3M Strong Adhesive, Ensuring It Wont Peel Off Easily. Installation Requires No Tools, Making It Quick And Easy, Significantly Saving Installation Time | Reliable To Use: Made With 100% White Fiberglass Liner, No Bad Smell, And Meet Green E0 Standards, Ensuring Safety For Both Breathing And Skin Contact, Giving You Peace Of Mind While Using It | Wide Application: Suitable For Various Places Such As Homes, Offices, Meeting Rooms, Recording Studios, Cinemas, Schools, Etc., Meeting Your Different Soundproofing Needs | Flexible Use: Each Box Contains 4 Pcs Of Pure Color Fiberglass Soundproof Panels, With A Single Piece Size Of 23.62 X 11.81 Inches / 60 X 30 Cm,2-Inch / 5 Cm Adhesive Width, Making It Easy To Use