Material and fit Made from protein leather and soft foam for a comfortable, skinfriendly ear contact. Ear pad includes an integrated plastic buckle for secure, tool attachment to compatible headphones. Why you need this Restores comfort and seal for long listening sessions by replacing worn or cracked original pads. Maintains a proper earcup seal to support the Sony WH1000XM4's sound balance and passive isolation. Soft foam cushions reduce pressure on the ears for extended use. Compatibility and function Specifically compatible with Sony WH1000XM4 wireless headphones. Designed to worn ear pads and provide a secure fit using the integrated plastic buckle. Performance and care Protein leather is easy to wipe clean and resists everyday wear. Soft foam provides consistent cushioning and rebounds after use. Installation is quick and requires no special tools; check fit before first use. and support All units are produced under strict quality inspection. Includes a 12Month worry and lifetime technical support. If you encounter any issues, contact us for replacement or a . Practical use scenarios Daily commute: degraded pads to restore comfort and a reliable seal for clearer sound on trains or buses. Long flights or workdays: Soft foam reduces ear fatigue during extended listening or conference calls. Refurbishment and resale: Swap out old pads to refresh headphones for resale or prolonged use.