The Ergoprene Foamed Gel Mousepad made with Ergoprene integrates advanced technology with eco-friendly materials and construction to provide maximum ergonomic support and comfort. No glue or harmful chemicals are used to attach the soft cloth surface to the non-skid base. - Ergoprene Foamed Gel Conforms To Wrist For Maximum Comfort & Support - Revolutionary Design Permits Natural Hand & Wrist Movement - Tracking Surface Provides Smooth & Precise Mousing - Non-skid Natural Rubber Back