Material: Made of durable ABS and plastic, padded memory foam firmly adheres to the surface, minimizing the pressure on the wrist and shoulder.Main features: uniform weight distribution, evenly distribute the weight of the entire forearm and elbow. The weight of the forearm is distributed over a larger area.Reduce local pressure: This reduces local pressure on the wrist and eliminates the constant pressure on the neck, arm, and shoulder muscles experienced by many computer users.Easy to install: Two units (one on each side of the keyboard) can be installed to fully support the forearm, and the armrest is very light and easy to install. Suitable for desktops up to 2 inches (5 cm) thick, convenient for home or office useSafety: The arm support wrist pad has undergone extensive strength testing, and we believe that the pad will not crack or break under normal use. See detailed drawing for dimensions Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.