Feature: 1. Made of high quality polyurethane material, it is environmentally friendly, durable, flame retardant and has a long service life. 2. Multifunctional, suitable for professional sound control, noise suppression, acoustic processing and noise reduction. 3. Commonly used for indoor sound absorption processing and indoor sound insulation, ideal for your studio or office. 4. Easy to install and convenient to use, you can give them beautiful shapes with your style. 5. It has good appearance and acoustic properties, suitable for sound absorption, sound insulation, shockproof and fireproof. Specification: Condition: 100% Brand New Item Type: Soundproof Foam Material: Polyurethane Color: Yellow, Gray (optional) Yellow Soundproof Foam Size: Approx. 50 x 50 x 2 cm / 19.7 x 19.7 x 0.8 in Gray Soundproof Foam Size: Approx. 50 x 50 x 3.5 cm / 19.7 x 19.7 x 1.4 in Package List: 6 x Soundproof Foam Note: 1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.