Features: Improve voice clarity Echo flutter, reverberation Modal problems, mid to height standing waves Waterproof, anti-moisture, good air permeable Anywhere to help block sound and prevent echo inside the roomThese wall panels provide strong noise reduction, good for studios, recording studios, vocal booths, control roomsApplication: ideal for use on corner walls, corner ceilings, etc. Application:Family noise protection (walls, pipes, ceilings, etc.)Noise protection in the workplace (light walls, partitions, meeting rooms, etc.)Entertainment noise protection (KTV rooms, walls, ceilings, floors, etc.)Industrial noise protection (factory walls, roofs, hardware, doors, control room, etc.) Specifications:Material: Polyurethane FoamColor: Red/Black/BlueProfile Shape: PyramidSize: 30x30x5cmQuantity: 1 Pc Note:Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1pc x Sound-Absorbing Foam FAQs: 1. Is there a tracking number for my item? Yes, we ship every order with their tracking number, and you can see the status of your shipment on the respective website. 2. Is the product the same as the pictures? Yes, all photos are real. We took these photos ourselves. 3. What size can fit me? We suggest you look at our size suggestion chart below and our product size chart if you have a normal figure. If you have a special figure, please fit in (tell us your height and weight, bust, waist, hip size). 4. I am a seller, I would like to buy many pieces of the item, what is the price? Hi, thank you for your inquiry, if you want to buy large quantity, please send to us, we will give you the best price, thanks!