Name: Inflatable cervical traction device color: gray Suitable for: neck This traction device supports the neck while lifting the jawbone. This creates optimal spinal alignment, which relieves nervous tension. Many people experience pain and spasm relief in the back, spine and shoulders. No assembly required. Step-by-step instructions ensure you get the most out of our cervical traction device. We know the importance of detailed instructions and we want them to be as comfortable as possible No matter where you are with your stiff days, you can experience spinal traction at home or on the go. It's soft, lightweight, and compact enough to fit in your suitcase, purse, car, or backpack. This neck pillow is easily adjustable so you can adjust the air volume for a comfortable spinal stretch that relaxes your neck and shoulders. Specification: Number of layers: 3 layers Used for: neck support Package Contents: 1*cervical traction