Saddle Stool Chair with Backrest Swivel Hydraulic Ergonomic Tilt Seat Chair with Wheels Footrest for Medical Hospital Clinic Dental-Black

[Ergonomic curved saddle shape tilt adjustable seat cushion and back][Seat cushion height adjusted by hydraulic gas cylinder] [360-degree free rotated seat cushion and wheels move smoothly] [Chair height and backrest can be adjusted to suit...