Pack of 12 Square Acoustic Panels, Noise Cancelling Panels High Density Sound Insulation for Wall, Ceiling and Door Panel (30 x 30 0.9 cm)

Sound-Absorbing Principle: High-quality polyester fiber material and porous structure capture and absorb air vibrations in sound waves；reduce sound reflection and echo；improve sound clarity and purity；install as a whole for higher noise reduction Self-Adhesive Panels: Acoustic panels no need for additional spray adhesives or double-sided tape；self-adhesive panels are ready to use；peel off the kraft paper on the back for quick application；press firmly to ensure they stay in place High-Quality Material: Sound proof panels for walls made of 100% high-quality polyester fiber；soundproof foam panels are durable and wear-resistant Easy Installation: Self-adhesive soundproof wall panels require no additional tools；easily apply to walls, doors, ceilings；simple and quick setup About Disassembly: If removal is needed, heat the acoustic wall panels with a hair dryer before peeling it off；this helps to prevent damage to the wall