... pipeless system 3,with five massage pedicure chair:SPECIFICATIONS:Base MaterialHard Wood, Fiber-glass, ... )/150mmWeight Bearing Capacit300kg/660lbsUpholster Thickness120mmMassage Chair FunctionalChair front and back by eletrical control Backrest up ... and down by eletrical control Separate choose Kneading,Flapping,Knocking Synchronous Kneading &Flapping,knocking Chair ...