High quality Materials: Our sound absorbing foam panels crafted from fire-retardant and material, it is safe to use in small and medium-sized rooms. High quality panels for better sound absorption, Reduce waves, reverb and flutter echoes in smaller to medium sized rooms. Low-Cost Noise Reduction Solutions: cost-effective noise reduction products can create an excellent listening or recording environment , you can get a good recording experience or in the studio.the acoustic panels not only have effective sound absorption characteristics, but also will not cause any harm to our body. How To Recover The Normal Size Of The Acoustic Foam: 1. After opening the Vacuum package, place the Acoustic Foam in a ventilated place for 12-24 hours; 2. Or soak the foam in water for 1 minute, wring it dry, then air dry or use a blower dry. Installation : It is recommended to stick the tape to the four corners and the center of the back of the acoustic foam panels, and then to the wall. Or you can purchase spray glue to install the soundproofing foam according to your needs. Widely Use: The sound proofing foam squares are a low cost solution to get better recordings or in the studio. That used for professional studios, rehearsal rooms, concert , podcasting, churches, home theaters, vocal booths, home,etc. size: 30 x 30 x 5cm Material: Polyurethane foam colour: White Package Contents: 50 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store