It is only natural to want to make your office space as comfortable as possible, and OfficeSource products can help. This keyboard system is among the various OfficeSource products carefully crafted to make your work experience easier and more comfortable. This keyboard system comes with a molded PU palm rest and a slide out mouse tray. The slide locks in a completely extended position, allowing easy movement for you as you work. This keyboard system is made from high quality material that ensures it is long lasting and durable.