5Pcs Hexagonal Retardant Acoustic Sponge Flat Muffler Sponge for KTV Piano Drum Practice Room Red

Features: 1.Soft sponge dust-free and high density; 2.Suitable for studios KTV etc. 3.Creat better sound effect it hardly diffuses making your voice more dynamic. 4.Pyramid sound-absorbing sponge with beautiful appearance and good acoustic characteristics. 5.Size: Hexagonal 15cm in length 2.5cm in thickness. Notice: 1.Due to the different monitor and light effect the actual color maybe a slight different from the picture color. 2.Please allow differs due to manual measurement.