Rdutuok 12 Pieces Acoustic Panels, 30 x 30 x 1 cm High Density Acoustic Panel Soundproofing Panels for Recording Studio, Office, Studio, Sound Treatment, and Wall Decoration (Black)

"Environmentally friendly material: Rdutuok's sound-absorbing panels are made of non-toxic, 100% polyester fiber that is fire-resistant, soundproof, odorless, and non-toxic. It is an ideal material for indoor acoustic panels that are completely safe for children and pets.", "Easy to install: Our sound-absorbing wall panels are very easy to install. Please make sure your wall is clean, smooth, and free of loose debris or dust before installation. You just need to glue spray adhesive or double-sided 3M tape (not included) to the back of each acoustic panel and then gently press onto the acoustic panel to complete the installation.", "Perfect sound absorption: Each panel measures 30 x 30 x 1 cm and has a high density of 230 kg/m³. Due to its high density, this studio foam efficiently reduces excessive noise bouncing off the wall with excellent sound insulation and perfect sound absorption.", "Fashionable design: Our soundproofing panels are equipped with beveled edges, which not only reduce and absorb unwanted echoes but also give your walls a modern style.", "Widely used: These acoustic sound panels are great for recording studios, home theaters, office spaces, man caves, and as a backdrop wall, photo wall, message wall, and work wall."