Product ParametersProduct name: Polymer neck inflatable traction deviceProduct material: front support polymer, airbag surface PU, middle TPU, lined with cotton fabricProduct size: before inflation: 46*14.5cm (neck circumference + height) After inflation: 44*20.5cm (neck circumference+height)Package size: 22*19*17cm 600gBox size: 88*46*40cm, 20 sets/box, 11.6KG UsageUse time: General traction once for 15-30 minutes, 1-2 times a day Cleaning: wipe with a damp towel, preferably without direct water washing; Maximum traction strength: 2 air pressure (the pump has a pressure limiting valve, to two air pressure will automatically deflate, explosion-proof design, note: when playing air do not block the pump pressure limiting valve hole) Product features1. 20 arc of inflatable traction to achieve the role of supplementary treatment - inflatable air column traction along the up and down direction, strong traction to reduce the pressure of the cervical spine;2. Polymer front brace, soft and comfortable to wear, supports the jaw, fits the physiological curve of the head, neck and shoulders; 3. Velcro fastening adjustment, adjustable elasticity, non-adjustable height;4. small ventilation holes in the airbag to keep the skin dry and breathable without stuffiness;5. large channel air inlet (the first use of air is not easy too large, need to let the cervical spine gradually adapt), the product inflatable to a certain air pressure, the end of the air pump will automatically deflate, explosion-proof design; Product listEnglish packaging + polymer front support + airbag + pump + English manual