Inflatable Lumbar Support Pillow Ergonomic Design Lower Back Support Cushion with Pump for Car Office Chair Airplane1ERGONOMIC DESIGN: Inflatable lumbar support pillow is ergonomically designed to fit the human body's lumbar curve, effectively relieving pressure on the lumbar vertebrae and relieving lumbar or back discomfort when sitting or lying down. 2INFLATABLE DESIGN: The removable lumbar support attachment can turn a regular lumbar support into an inflatable lumbar aerair traction decompression belt, easily adjust the pressure of the aerair pump, flexible enough to stretch your back. 3EASY TO USE: You can use it with a lumbar support belt, it can also be used alone. Ideal to wear while driving, sleeping, working, traveling, etc. 4COMFORTABLE AND STABLE: Supports your upper, middle and lower back, inflates to a comfortable form. Very supportive, help you maintain your driving position. 5PREMIUM MATERIAL: Inflatable lower back support cushion is made of premium cloth and silicone, durable, environmentally friendly and safe, long life.