Features: Our soundproofing panels are light in weight and portable, can be cut into different sizes according to your needs, and they are in line with most decorating styles, stylish and classic. These foam panels soundproofing are practical, you can use them for yourself or as gifts to your family, partners, neighbors and those who like music, to show them that you care about them and strengthen your relationships. Specifications: Material: polyurethane Color: black Size: about 12 x 12 x 2 inches/ 30 x 30 x 5.08 cm Package includes: 60 Packs of soundproof wall panels Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Please note that they do not completely block out noise.