【Adjustable Armrests】Made of durable ABS cardboard with padded memory foam on the surface for comfort. Dimensions 13 x 29 cm. 【Ergonomic design】Unique ergonomic design, now you can move freely. Suitable for right or left handed users, the attached ball is 180° adjustable, making it easy to use at home or in the office. You can play or work comfortably for hours. 【Comfortable and pleasant】 The weight of the forearm is distributed in a large local area, reducing the constant pressure on the wrist, eliminating the pressure on neck, arm and shoulder muscles, giving you a comfortable desktop experience. 【Easy Installation】Quick installation without assembly tools. 180° adjustable armrest for right or left handed users. 【Note】 Table thickness: no more than 6cm/2.36’’. If the edge of the table is tilted or decorated, it is not compatible with this wrist rest mouse pad holder.