Perfect for spot-treating sound on walls in your studio or office - For use in recording studios, control rooms, offices, home studios, home entertainment theaters, home offices. Reduce Unwanted Noise & Echo: The panels help reduce reverberation, flutter echo, unwanted acoustic reflections, unwanted noise, and are best for small to medium-sized rooms, theater rooms, recording studios, churches, or offices. Make Higher Quality Sound & Video Recordings: Improve your audio quality instantly by reducing background noise and echo while recording your voice overs, music, interviews, podcasts, or videos. Use to spot-treat a professional or home studio, commercial or home office, rehearsal space, or home theater. Easy to shape and cut to size, modification does not affect performance. Professional Studio Quality Acoustic Treatments, Create Beautiful Recording Environments! Acoustic foam is used to remove echo and sound reflections, provides sound insulation for industrial and household applications suitable for sound studios. Unlike polyurethane foam, fiberglass and rock wool have health risks. Color: black Material: polyurethane Size: 30 x 30 x 2.5 cm Package contents: 6 x Soundproofing Foam 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 to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.