DR-HO S Neck ComforterTM is an inflatable neck traction device that inflates with air using a high efficiency hand pump. When it is partially inflated DR-HO S Neck ComforterTM functions like a neck support. When DR-HO S Neck ComforterTM is fully inflated it supports the weight of the head to help reduce stress on the neck and shoulders. Further inflation elongates and gently stretches the neck and shoulder muscles while supporting good posture. This further reduces stress on the neck and shoulder muscles. Many health professionals have observed that cervical neck traction allows tight neck muscles to relax and helps decompress spinal discs and joints. The pressure is adjustable so you can set the stretching to your comfort level. There are no batteries chemicals or harmful side effects. It s portable safe and easy to use. Fully deflated the Neck ComforterComforterTM is ideal for easy storage and travel. Partially inflated DR-HO S Neck ComforterTM helps support your neck to your own comfort level. Fully inflated DR-HO S Neck ComforterTM helps stretch the neck and shoulder muscles similar to professional neck traction devices.