1. Pyramid 3D acoustic design: 2-inch pyramid foam can provide moderate sound control on the wall or ceiling. Through acoustic control, sound suppression, acoustic processing, noise reduction, acoustic foam can reduce fluctuations, reverberation and flutter in small and medium-sized rooms.2. Safety and environmental protection: The sound-absorbing panel is environmentally friendly, which not only has effective sound absorption characteristics, but also does not cause any harm to the human body.3. Widely used: very suitable for on-site sound processing on the walls of studios or offices-suitable for recording studios, control rooms, office home studios, home entertainment theaters, home offices. Easy to shape and cut to size, changes will not affect performance.4. Easy to clean: high-quality studio foam can permanently maintain its sound insulation function. In terms of cleaning, you only need to vacuum and dust it occasionally.5. The sound insulation board is most suitable for sound processing. It is made of high-density flame-retardant material, which can more effectively isolate the sound and create a good recording environment.Item No.: Triangular SlotShape: surface unevencolour:BlackMaterial:foamsize:30 x 30 x 5CMPackage Contents:12 x studio foamOnly 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.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it!