Features: 1. Used for controlling sound reflections in small rooms. Wedges foam provides moderate sound control on walls or ceilings. This product provides strong noise reduction, where moderate deadening is desired. 2. By effectively controlling harmful reverberation and echos, you can have a more pleasant sound. 3. Suitable for recording studios, control rooms, offices, vocal studios, commercial or home office, rehearsal space, or home theatre etc. 4. Easy to shape and cut to size, altering won't affect performance. 5. High-density sponge makes our acoustic panels is denser, thicker, and more uniform. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Type: Acoustic Panels Material: high-density sponge, sound insulation and flame retardant Size: 30 * 30cm / 12 * 12in (single) Include: 12 x Acoustic Panels