Model:B6418FG7456HK9609 Polymer Neck Retractor Neck Support Neck Protection Neck Inflatable Support Parametersproduct Name: Polymer Neck Inflatable Tractormaterial: Polymer In Front, Pu On The Surface Of The Air Bag, Tpu In The Middle, And Pure Cotton Lining product Size: Before Inflating: 46*14.5cm(neck Circumference + Height) inflatable: 44*20.5cm (neck Circumference + Height)packing Size: 22*19*17cm 600gmethod Of Useuse Time: General Drawing 15 To 30 Minutes At A Time, 1-2 Times A Daycleaning: Use A Wet Towel To Wipe, It Is Best Not To Direct Water; maximum Traction Strength: 2 Air Pressure (the Pump Is A Limited Pressure Valve, Two Air Pressure Will Automatically Vent, Explosion-proof Design, Note: Do Not Block The Pressure Limit Valve Hole Of The Pump When Pumping) product Features 1. Auxiliary Treatment Can Be Achieved Through 20 Radian Inflatable Traction -- Inflatable Air Column Is Pulled Up And Down, The Strong Traction Force Reduces The Pressure Of Cervical Spine; 2. Polymer Front Support, Soft And Comfortable To Wear, Support The Jaw, Fit The Physiological Curve Of Head, Neck And Shoulder; 3. Velcro Buckle Adjustment, Elastic Adjustable, Height Adjustable; 4. Read A Small Air Vent Design On The Air Bag To Keep The Skin Dry And Breathable Without Sultry; 5. Large Channel Air Inlet (the First Use Of The Gas Is Not Easy To Be Too Large, The Cervical Vertebra Needs To Gradually Adapt), After The Product Reaches A Certain Air Pressure, The End Of The Air Pump Will Automatically Deflate, Explosion-proof Design; product Listenglish Packaging + Polymer Front Support + Air Bag + Pump + English Instruction Manual