This tpu air bag inflatable pillow is height-adjustable, making it the perfect companion for you while you sleep. It uses advanced inflatable technology that allows you to easily adjust the height of your pillow to suit different sleeping needs and habits. The air bag inside the pillow can massage the cervical spine, relieve fatigue and improve sleep quality. In addition, the TPU material airbag has soft, waterproof, durable and other characteristics, so that you can use more at ease. Whether at home, in the office or on the road, this inflatable pillow can bring you the ultimate comfort experience, so that you can have a good night's sleep and maintain good health.