Features: Comfortable Fit: The replacement ear cushions consist of soft foam material, offering a secure fit and extended comfort, minimizing ear strain during prolonged use. Improved Sound Quality: Engineered with effective sealing features, these ear cushions enhances low-frequency response and diminish external noise, ensuring a captivating listening . Long-Lasting Build: Constructed from premium materials, these ear cushions are resistant to wear and aging, ensuring durability and extended usability. Simple Installation: The ear cushions is fit for WH-CH520 headphones, enabling quick and tool-less installation, making replacement straightforward. Breathable Design: Featuring air-permeable foam, these ear cushions prevent discomfort during extended use, maintaining ear dryness and comfort. Specifications: Component: Sponge+Foam 4Option Color Earpads Size: Approx.70x70mm/2.76x2.76inch Applicable model: for WHCH520 Package Includes: 1pair Earpads 1pc Headbeam note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.