If you are looking for a professional 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: Cotton -Size: 50.00X50.00X3.30cm/19.65X19.65X1.30in - This type of acoustic panel is denser, thicker, and more uniform, resulting in more sound absorption. - This acoustic panel is self-adhesive and can be used as an acoustic enclosure for walls, ceilings and doors. - It can improve sound clarity in home recording , video game, home office or gym. - Easy to use, just peel off the adhesive backing film to install, it helps to create a quiet environment for small and medium-sized rooms. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 1 x soundproof panel