Features: Precisions engineered replacement headband for Space Q45 (model 21A77) features easy installation and perfect dimensional compatibility, ensuring secure and factory grade performances. Built with memory foam padding and wear resistant coating, this headphone accessory delivers lasting comfort during extended use while maintaining scratch resistant durability. Ideal for commuters, gamers, and fitness enthusiasts seeking enhanced headphone longevity through easy to clean components and secure grip during active movements. Maintains stable positioning during intense workouts or extended works from home through its antislip surfaces and pressure distributing arched design. Seamlessly integrates with original Space Q45 aesthetics using OEM grade materials, offering discreet protections against daily wear while preserving the headphones' signatures matte black profile. Specifications: Component: Sponge Applicable model: for Space Q45 Package Includes: 1Piece Headphone Headband Cover note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.