Peel and Stick Acoustic Panels, 4 Pcs Gray Soundproof Wall Panels, 47.2″x23.6
0.47" Thickened & Oversized 100% Polyester Acoustic Panels – Expertly made of premium high-density pure polyester fiber, these panels are safe and eco-friendly. Compared with ordinary thin acoustic panels, they provide more stable and powerful sound absorption.