The nylon material gives the armrest a strong and durable feature, ensuring that it remains stable after long-term use; while the PU leather brings a delicate and soft touch, skin-friendly and breathable, making every time you lean on it a pleasure. The unique 4D design allows the armrest to be adjusted up and down, and also has multi-dimensional rotation and tilt functions, perfectly fitting ergonomics and meeting different sitting posture requirements. This armrest can be easily tilted up to an ideal angle, providing users with just the right support when reading, watching movies or taking a nap.