Kokuyo M4 a standard chair that fits perfectly in any space, such as offices and telework. One-size standard, both strength and flexibility are compatible, and the lower back is firmly supported. All M4s are highbacks, so even small people can rock with little force. In addition, the back part of the elbow rest can be adjusted up and down. It is processed to release heat with an air slit sheet.
Fixed Arm rest
Hard Plastic Back seat support
Disclaimer:Used Furniture. Good As New, Japan Quality Pinoy Affordability.