[High Material and Safety] Soundproof wall panels are crafted from 100% polyester fiber, with a flame retardant grade of B1, ensuring they are safe for breathing and pressing, making them suitable for both people and pets. [Noise Absorbing] Our acoustic wall panels not only provide sound insulation and noise reduction for walls, but they also serve as decorative elements and will not fade. [Easy to Install] The beveled edge design of the acoustic panel can adapt to various splicing decorations, which aids in restoring the true tone and minimizing crosstalk impurities. They can be easily fixed using a hook and loop backing or glass glue (not included), allowing for effortless removal and adjustment to your desired location. [Widely Usage] The decorative acoustic panels are ideal for recording studios, podcasts, streamers, musicians, control rooms, as well as home theaters, professional cinema halls, concert venues, and more. They absorb unnecessary echoes and reduce interference, resulting in clearer sound quality. [Fashionable Appearance] The rectangle-specific size is flexible to cut to your desired shape, and it can also serve to enhance wall decoration, providing a unique experience to your living space. Colour: black Material: Polyester cotton Size: Approximately 45 x 23 x 0.9 cm Package Contents: 9 x Sound absorbing panels Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.