The Cool Mesh Back Support is perfect for use at home, work or in the car. The ergonomic design provides lumbar support and adjusts up or down for a perfect fit. The mesh fabric allows air to flow for cool comfort. Attaches easily to seat with elastic strap. Product Description: Perfect for use at home, work, and in the car, Ergonomic lumbar support system, Attaches to seat with elastic strap, Adjusts up or down for the perfect fit, Mesh fabric allows air to flow for cool comfort.