The OMWK0C01-BK is a compact, ergonomic, lightweight, molded silicone, fully sealed mouse with 3-button scroll that is washable and waterproof. It is resistant to dirt, debris, water, soap and other disinfectants. It is designed to withstand repeated cleanings in dusty, dirty, and damp environments that would otherwise ruin a regular mouse. This mouse is intended for use in hospitals, dental offices, laboratories, as well as food processing, manufacturing and industrial sites. This professional-grade sealed silicone mouse can be cleaned with almost any cleaning solution to prevent cross-contamination.