Feature: 1. Foam sound-absorbing cotton is very suitable for controlling sound reflection in small rooms 2. You can have a more pleasant sound by effectively controlling unwanted reverberation and sound 3. The product is very suitable for recording studios, vocal studios, home theaters, etc., very useful 4. Ideal for reducing and absorbing unwanted sound, waves, reverberation and trembling sound, helps a lot 5. Made of good quality polyurethane material, light weight with high strength, very durable Specification: Item Type: Acoustic Foam Panels Material: Polyurethane Color: Black Product Size: Approx. 30 x 30 x 2.8cm / 11.8 x 11.8 x 1.1in Package List: 12 x Acoustic Foam Panels