["Features:\r\nA. surface curved design, feel more comfortable\r\nB. Use advanced slow rebound memory cotton to support the wrist, keep it at a comfortable height\r\nC. There are four stainless steel balls at the bottom, free to move 360 ° on the desktop or mouse pad\r\nD. Ball design, to avoid the wrist in the surrounding movement with the desktop friction, reduce the wrist fatigue and injury\r\nE. The product can improve work efficiency, reduce pain and computer-related injuries\r\nF. ergonomic design, better protect the wrist and the for palm of the for key health\r\n\r\nDescription:\r\nMaterial: ABS + memory cotton + steel ball.\r\nSize: 120 x110x27mm（4.7x4.3x1.1inch）\r\nColor:Black\r\nPackage Contains: 1xMouse Pad\r\n\r\nNote:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n \r\nPackage Included:(Without retail package)\r\n1 x Mouse wrist rest pad"]