Long-lasting polyester surface stands up to everyday wear and tear and offers the perfect surface for enhanced accuracy. Built-in Microban® antimicrobial protection inhibits the growth of damaging bacteria that can cause stains and odors. Provides superior tracking for both ball and optical mice. Its skid-free natural rubber base protects your desk surface. Ergonomic: No; Wrist Filling Material: None; Wrist Rest: No; Color(s): Black.