IProductname Neck Magic Air Cushion IISpecification: AFT-1073\AFT-1074\AFT-107 III.Thescopeofapplication: ItissuitableforcervicalvertebraspondylosisIVStructureandcomposition Airnecktractionsaremainlymadebyinflatableballs(withvalves),gas-guidetube,gascut-offvalves,chamber,bushings,inflatablemouth,neckcareandvelcro. Accordingtothedifferentgaschamber,airnecktractioncanbedividedintothreelayer,fourlayer,fivelayer,sevenlayer.VMaterial AFT-031full-flannel AFT-032half-flannel AFT-033high-qualitynaturalrubber