Adjustable lower back support has built-in lumbar cushion. It can be inflated or deflated to suit personal needs. Lumbar support cushion is scientifically proven to adjust from thoracic to the lumbar region of human body. Back support cushion is made of impact-resistant polycarbonate material. It is covered in soft and durable foam that conforms to the spinal curvature. Lumbar support for car can also be used in office and homes to get optimum comfort. The lumbar support pillow for office chair is portable, inflatable, and durable to support correct posture.