3-in-1 Large Mouse Pad Set: Extended mouse pad: 35.4" x 15.7" x0.12", wrist rest for computer keyboard: 17.3" x 3.2" x 1", wrist rest for mouse: 5.4" x 3.15" x 1". The large mouse pad can fully cover your desktop. The wrist rest is ultra thick and soft, it provides comfortable support to your wrist while gaming or typing. Ergonomic Mouse Pad Set: The ergonomic wrist rest is filled with memory foam to offer superior comfort and effective support, helping to alleviate wrist strain that can lead to repetitive motion disorders. Perfect for people who spend long hours on computer.