This is a computer hand bracket, made of wood, ABS, alloy materials, sturdy and durable, and can serve you for a long time. With reasonable structural design, it can play a very good supporting effect and make your use more comfortable. This is a very good wrist support with mouse pad, it will be your good choice. Features -Color: Black. -Material: Wood, ABS, Alloy. -Size: About 35.00X15.00X15.00cm/13.76X5.89X5.89inch. -Note: suitable for table thickness below 4.5cm/1.77in -Made of wood, ABS and alloy materials, it is safe and gentle, strong and durable, and very practical. -The design is reasonable, can be easily applied to your desktop, and can play a very good supporting effect. -It is made of excellent craftsmanship, can be durable for a long time, and will not be easily . -Foldable design, convenient for your application, will not take up too much space when not in use. -Easy to install, simple and practical, it can be used well on computer desks, and it will bring you an excellent experience. Package list: 1 x Desktop Extension Board