Feature: * This traction device supports the neck, while elevating the jawbone. This creates optimal spine alignment, which relieves tension in your nerves. Many people experience back, spine and shoulder pain relief and spasm relief. * No assembly required. Step-by-step instructions ensure you’re getting the best use of our cervical traction unit. We know how important it is to have detailed instructions and we want you to be as comfortable as possible * No matter where you are on stiff days, experience spinal traction at home or on the go. It’s soft, lightweight and small enough to fit in your suitcase, purse, car or backpack. * This cervical pillow is easily adjustable so you can control the amount of air for a comfortable spinal stretch to relax your neck and shoulders. Specification: Name: Inflatable Air Cervical Neck Traction Color: Red, Gray，Blue, Apply to: Neck Layer: 3 Layer or 4 Layer Used for: Neck Support, Neck massger Size: One size, adjustable