BACK SUPPORT FOR OFFICE CHAIR - Our pure memory foam back support cushion is made of the exact same material as the world's leading memory foam products. Our lumbar support is one of the essential work from home accessories relieving pain points while working from home for long hours. LUMBAR SUPPORT FOR CAR - Due to our universal contoured structure, our back support cushions can be placed anywhere along the back of a car seat or office chair for neck, upper, middle, thoracic, lower back and spine pain relief. HYPOALLERGENIC, BREATHABLE 3D MESH COVER - Allows airflow through the cushion to keep your back cool and dry for the best experience. Our back rest for office chair can also be used on the couch, wheelchair, auto vehicle, office chair, or airplane. BREATHABLE REMOVABLE AND WASHABLE 4D mesh ventilative cover keeps air circulating so sweat and moisture doesnt fill it up, to keep you cool and comfortable all day long. Ideal for office gift and business gift etc. Great gift idea for people sitting for long time such as office clerk, truck/taxi driver etc. STURDY SUPPORTIVE AND EFFECTIVE- Ergonomic Streamlining molded with premium quality memory foam for optimal lumbar support and never flattens out, a proper firmness memory foam compresses to take the shape of your back and curve and provide comfort and relief numbness of your back