This inflatable pillow internal air bag can be massaged and adjusted, is a good companion in your daily life. It uses smart inflator technology and soft tpu material to automatically adjust the inflator for optimal sleeping posture and cervical spine support. Internal air bags massage your cervical spine to relieve fatigue and relax you after a busy day. At the same time, it has adjustable function, can adjust the hardness of the air bag according to personal needs, to meet your different sleep needs. This lightweight and portable pillow pouch is ideal for home, travel or office use, making it ideal for you to relax and improve your sleep quality.