[Noise reduction] Sound insulation foam can effectively control mid and high frequencies. It helps to suppress the sound. This is a perfect tool for improving sound quality, such as making YouTube videos, recording podcasts, and recording studio recordings.[Quickly expand to normal size] Immerse the panel in water for 3 minutes, wring out the water gently, then separate all of them, and place them in the dryer at the lowest temperature for 20-25 minutes. If you find that the product has an irregular shape after being immersed in water or left for a period of time, it is because you have not fully recovered to its original state. You just need to soak in water again.[Environmental protection and safety] Made of high-quality environmentally-friendly polyurethane foam, these studio foams are durable and effective, without health risks, and are safe to use.Not only have effective sound absorption characteristics, but also will not cause any harm to our body.[INSTALLATION METHOD] It is recommended to stick the tape to the four corners and the center of the back of the acoustic foam panels, and then stick it to the wall. Or you can purchase spray glue to install the soundproofing foam according to your needs .[Wide use] Suitable for recording studios, home theaters, game rooms, rehearsal spaces, live studios, tympanums, concert halls, podcasts, etc. Easy to shape and cut, changes will not affect performance.Sound Absorbing Foam is a great broadband sound absorber. Appealing outlook, exceptional acoustic performance all make it exactly the Mr. Right for room acoustics.sound deadening foamInstall our high density treatments to increase sound clarity at your spot. Sometimes noisy environments make it difficult for people to hear or concentrate. By lowering noise levels, it can help continue your focus to create great recordings and superior sounds.sound foamThis product is designed by professional acoustic engineers. Its periodic groove structure is a new research finding which has been proven to be an outstanding absorption enhancer. It can be seen from the test, this foam panel has remarkable absorption capacityFOR DECORATION OR PROFESSIONAL USE:In addition to professional acoustic treatment, the unique grooved 3D structure makes this acoustic foamcan also be used to decorate your walls and rooms.Our acoustic foam can be used in live recording studios to perform professional acoustic processing of sound; it can also be used in entertainment venues and other noisy places.Color: black + blueMaterial: PolyurethanePackage Contents:12 x Black sound-absorbing cotton12 x Blue sound-absorbing cottonOnly the above package content, other products are not included.Note: Light shooting 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.