Extra-large and thickened ergonomic backrest and lumbar support integrated lumbar support stool

Extra-large and thickened ergonomic backrest and lumbar support integrated lumbar support stool,It provides zoned support, evenly distributes body weight, conforms to the body's curves, and supports your lower back from multiple angles, helping the spine maintain its natural physiological curve and correct posture. The position of the lumbar support leaf can be adjusted according to body shape, comfortably wrapping the entire lower back.