Sound-Absorbing Principle: High-quality polyester fiber material and porous structure in soundproof wall panels capture and absorb air vibrations in sound waves;effectively reduce sound reflection and echo;improve the purity and clarity of sound;for higher noise reduction, install panels as a whole,Self-Adhesive Panels: No need to buy additional spray adhesives or double-sided tape;our soundproofing panels are self-adhesive and ready to use;simply peel off the kraft paper on the back for quick and easy application;press firmly after sticking to the wall to prevent falling off,High-Quality Material: Made of 100% high-quality polyester fiber;soundproof foam panels are durable and wear-resistant,Self-Adhesive: Soundproof wall panels are self-adhesive;can be installed without additional tools;easily applied to walls, doors, windows, and ceilings,About Disassembly: If you need to dismantle the sound insulation board, heat it with a hair dryer before peeling it off,Wide Application: Acoustic panels are widely used for acoustic treatment in various spaces;including homes, offices, recording studios, live broadcasts, conference rooms, etc.;whether for personal use or commercial environments;effectively improve the acoustic environment;enhance sound quality and comfort