YGM Acoustic Foams(6x3 Sheet - Single) Pyramid Soundproofing Studio Acoustic Foam - 2 Inches

YGM Acoustic Foams® 6x3 Sheet Pyramid 38 Density Soundproofing Padding absorbption Studio Sound Acoustic Foam | Control Echo & Reverb - 2 Inches (Single)

Fevicol Ezee Spray, 383g DIY Sprayable Adhesive For Soundproofing & Acoustic Panels | Sets in 5 minutes | Easy to Use

YGM Acoustic Foams® Pyramid Acoustic Panels 12" X 12" X 2", 38 Kg/m³ Premium Grade Studio Noise, Echo Reduction and Absorption, 3D Structure (Charcoal Black) (Set of 18)