This Inflatable Neck Device Helps Your Blood Circulation Increase to The Structures of The Cervical Spine, Helps to Oxygenate Your Muscles, Nerves, Tendons, Thus Decreasing Your Pain and Promoting Relaxation .with Durable Big Size Inflatable Ball and Metal Bleeder Valve,The Device Is Expected to Work Effectively and offer An Long Service Life. .It Provides You Fast Neck Pain Relief and Creates Optimal Spine Alignment.You Can Get Relief from Neck and Shoulder Pain, Stiffness, Tingling, Weakness and Tension. .Use The Inflation Pump to Slowly Raise The Pressure to A Comfortable Stretch. Use 2-3 Time Daily for 10-20 Days to Get Lasting Relief from Neck and Shoulder Pains, Tensions, Stress, Pressure, Muscles Spasms, Head & Cervical Vertebral Area, and Numbness .This Cervical Device Is Fully Adjustable to Almost Any Size and Can Be Used for Men and Women. .