ITEM NAME:Inflatable Cervical Neck Traction Pillow Collar Device Stretcher Gray Description: Triple tier 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. Inflatable Outer Diameter: approx. 38cm/ 14.82 inch Inflatable Inner Diameter: approx. 24cm/ 9.36 inch Height: approx. 20cm/ 8 inch Material: Velvet + PVC Package Includes: 1x Cushion Note: Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you! SKU: DMO0020807675006710.SKU: DMO0020807675006710. 1x Cushion.