Deep Kneading Shiatsu Cushion w Heat Oxygen Masks side supports) 30 (760 mm) MSHQ 530914G side supports) 30 (760 mm) Total length (different stretcher lengths) 63 (1600 mm) 73 to 76 3 4 * Medium: 14 to 16 1 2 circ A complete and full massage experience * Deep Kneading Shiatsu Cushion with Heat * Traveling massage mechanism moves up and down the back for a relaxing massage * Soothing heat enhances your massage experience * 3 Massage Programs choose Full Back or isolate massage to Upper Back or Lower Back only * Corded remote control lets you customize your massage * Easy to use integrated strapping system fits most chairs * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm *