【3D PYRAMID DESIGN】Thanks to the sculpted surface, our 2 inches thick soundproofing foam produce dependable soundproofing and sound absorbing results comparative to other options. They will reduce the waves, reverb and flutter echo in small and medium sized rooms by converting existing sound energy to heat and reducing the ability of soundwaves to bounce back into the room. | 【PREMIUM MATERIAL】Made of environmentally friendly polyurethane foam, with loads of tiny pockets of gas that have been formed and hardened, our studio foam tile is the most popular and a safe bet. Crafted using skin-friendly, non-toxic and odorless meterial, the sound foam will not cause any harm to our body. Besides, flame retardant formula are added in sponge to reduce sudden danger. | 【WIDELY USE】Place the sound panels anywhere you want since it's easy to be cut and reshaped. The best choice for spot treating sound on walls in your studio or office because the sound foam panels will take care of the mid to high frequency ranges. If you are planning a DIY vocal booth, studio, home theater, rehearsal space, or a broadcasting area, it's worth trying! | 【EXPANDS QUICKLY】Our acoustic foam panels for acoustic treatment and wall decoration come compressed in a vacuum packaging. However, it's easy to restore the normal size of them quickly either by placing in a well ventilated place for about 24-48 hours or wringing the wet out and drying up by a dryer or letting it air sun dry after soaking the foam in water for a few minutes. | 【EXCELLENT SERVICE】Developed especially for sound quality improvement and reduction, the ZINEQI acoustic foam 2 inch pyramid will achieve maximum surface area for sound control. If you have any questions about the product, please feel free to contact us. We offer 24 hours stand by customer service and you will get high quality acoustic panels and a good shopping experience.