Gray Self-Adhesive Acoustic Wall Panels — 4-Pack, 2" Thick, 23.6x11.8" Soundproofing for Home & Office

High-performance sound absorption built with a 100% white fiberglass liner and a 2-inch thickness that delivers an NRC value of up to 0.95—designed to cut mid-to-high frequency noise and reduce echoes and reverberation for clearer audio. Each panel includes a strong 3M self-adhesive backing for fast, tool-free mounting; sticks securely without drilling and helps protect walls while speeding up installation. Manufactured to be odor-free and compliant with green E0 standards, the material is gentle on skin and airways for worry-free, long-term use. Ideal for homes, offices, recording studios, meeting rooms, cinemas, and schools, these gray panels suit a wide range of acoustic improvement needs. Pack of 4 panels; each panel measures 23.62 x 11.81 inches (60 x 30 cm) and features a 2-inch adhesive width to provide targeted coverage where you need it.