Features: Precisions engineered replacement shell for MX 3 mouse ensure compatibility and maintain original aesthetics with toolless installations. high strength plastic construction enhances scratch resistance while preserving tactile responsiveness and ergonomic of original components. for mobile professional and frequent travel requiring protections against daily wear during extended work . Provides full coverage defense in dynamic environment including home offices, coworking space, and business with luggage friction resistance. This mouse cover set extends device lifespans through reinforced structural integrity without compromising portability or wireless functionality. Specifications: Materials: Plastic Size:10cm/3.93inch for MX 3 Package Includes: 1Set Mouse Shell note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.