Collar pump traction. Description: - Inflation design.Help to get longtime relief from stress and pressure of neck pain, shoulder pain, tension, muscles spasms, head & cervical vertebral area and more. - Soft & comfortable flannel fabric and adjustable straps. - Adjustable size for teenagers, adults and elderly individuals. - Lightweight and portable for office, car, home, travel trip and more. - Effective to correct and maintain proper neck posture. - Do not overinflate it. Specification: - Material: PVC - Size: Approx. 18.5 x 17cm/7.3 x 6.7 inch Package Includes: 1x Cushion with Pump Ball Note: Size for manual measurement, there could be 1-2cm error slightly different from the size above. Due to the lighting effects, monitor settings, etc., the picture may not reflect the actual color of the item. Thank you!