Colour: Black Material: Polyurethane Size: 30x30x2.5cm Package Contents: 24 x black acoustic foam board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Easy to install: Can be mounted on walls, ceilings, and doors without the need for tools, ensuring no damage during installation Environmental protection material: Made from high-density polyurethane foam that is fire-retardant and safe for use Perfect sound-absorbing performance: Designed for professional recording, video, and game live broadcasts, effectively eliminating reverberation and sound reflection Widely used: Ideal for homes, offices, recording studios, cinemas, game rooms, vocal pavilions, and control rooms Enhance your sound environment with these high-quality sound-absorbing acoustic foam panels