The seat cushion uses the principle of leverage to maintain the physiological curvature of the lumbar spine and maintain a good sitting posture for the user. Even if the user sits for a long time, he will not suffer from low back pain and hunchback.
The cushion uses the principle of leverage to maintain the physiological curvature of the lumbar spine and maintain a good sitting posture for the user. Even if the user sits for a long time, it will not have low back pain and hunchback.