Pro-comfort support Features a faux leather exterior reinforced by a gel-cushioned interior to provide an unrivaled balance between comfortable softness and firm ergonomic support Ergonomist Approved to provide optimal health and protection when used correctly through proper alignment, tailored dimensions, and a unique curved design Contoured shape fits the entire length of the mouse and provides additional padding and support for thumb rest areas suitable for trackballs Professional-level design provides functional and sophisticated low-profile elegance, durable seamless edges and non-skid backing Easy-to-clean surface wipes clean with a damp cloth to keep your wrist rest looking and performing well after years of use