Features: Single foam panel Features 9pcs square-shaped surface, widely applicable wall and ceiling mounting for noise-reduction. Can be used to absorb unwanted noise dampening, providing moderate sound absorption no matter at home or professional studio. Made of soft foam, environment friendly Features make it safer to use, do care about your healthy. Great for studios, recording studios, control rooms, home entertainment rooms, home theaters, office and more. Single foam panel dimension is 30 * 30 * 5cm/11.81 * 11.81 * 1.97in, lightweight enough for wall decoration. Specifications: Color: Black Pack Quantity: 6pcs / 12pcs(optional) Main Material: Foam Single Panel Dimension: 30 * 30 * 5cm / 11.81 * 11.81 * 1.97in Single Panel Weight: 55g / 1.94oz Packing List: 6 * Sound InsulationFoams Note: The product is shipped after compression, and it takes some time to recover rebound before use.