If you are looking for a sound proof panel, then your research is over here. That's because our product can meet your need. Adopted of solid material, practical and durable for long time use, not easy to get deformed and bring you much convenience. Features -Color:Black -Material:Sponge -Size:30.00X30.00X4.50cm/11.79X11.79X1.77in - Perfect for processing sound on the walls of or office, fit for recording studios, control rooms, entertainment theaters, home, offices. - The density and hardness of sponge foam is sturdy, so the sound absorption is well. - The sound proof panel is easy to shape and cut to size, changes will not affect performance. - These soundproof panels are dense, thick, more uniform, produces more sound absorption effects. - This sound proof panel is characterized by a sturdy and reliable texture, not easy to break, serving you for a long time. Package list: 20 x sound proofing pad