Without affecting the normal operation of the car, the scientifically designed size allows the seat cushion to be installed on the armrest of the car. The height of the bracket can be adjusted according to usage needs, it is compact and safe, and the design is more user-friendly. The thicker seat cushion makes your arms softer and more comfortable, which can effectively relieve driving fatigue. With double-sided anti-slip pads, the box has good fixation and is not easy to move, thus avoiding safety risks. Made of high quality ABS and PU materials, more durable and fit for long term use. Item Type: Armrest Cushion Material: ABS + PU Application: General Function: Good for elbow support Initial total height: approx. 9 cm/3.5 inches Total height of the first layer: approx. 9 cm/3.5 inches 10.5 cm/4.1 inches Total height of the second level: approx. 10.5 cm/4.1 inches 12 cm/4.7 inches Packing list: 1 x armrest 1 accessory