Descriptions: Acoustic foam is used to reverberation and sound reflections, provide sound insulation, which is suitable for sound studios. Made of polyester material, durable, soft, and long time to use. It also reduces slap-back and room ring when used in medium-sized areas like isolation booths, booths, sound studios, etc. Acoustic foam is suitable for walls, ceilings and doors and other various places such as theaters, studios, gyms, subways, kindergarten, stations, offices, schools, and other areas. Its size is about 30x30cm (LxW), and thickness is about 0.9cm, it is also a perfect decoration. Specifications: Material: polyester Color: dark grey Size: about 30x30cm (LxW) Thickness: about 0.9cm Package Included: 1pc x acoustic panel Note: 1. Due to the light difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.