Features: 1.Applicable Models: Adjustable seat armrest is universal for coaches, RVs, motorhomes. Please confirm whether your model is applicable before buying. 2.Adjustable: Press the left and right direction button, you can move the seat to the corridor a little distance, so that the distance between the seats next to each other is more spacious. 3.Comfortable: Press and hold the front and rear direction button and then use your back to push back, the seat backrest will tilt back and stop at the right position, bringing passengers a more comfortable riding experience. 4.Healthy: By adjusting the height and angle of the armrests, you can make your arms and wrists supported and comfortable, avoiding wrist fatigue, shoulder and neck pain and other uncomfortable symptoms. 5.Premium Material: The seat armrest is made of plastic and metal which has some advantages, such as anti aging and heat resistance, durable and reliable, high hardness, and moisture proof. Specification: Item Type: Seat Armrest Material: Plastic + metal Installation Position: Left right Seat armrest with seat backrest adjustment function and adjust the seat left and right movement function, to maximize the safety and comfort of the ride Fitment: Universal for Coaches, RVs, Motorhome