Long-lasting polyester surface stands up to everyday wear and tear and offers the perfect surface for enhanced accuracy. Built-in Microbanï¿½ 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. Wrist Filling Material: None; Mouse Pad/Wrist Rest Type: Mouse Pad; Color(s): Granite; Theme: Solid Color.