detailed products description : 1,Lose body weight: Eliminate the body fat through air massage and it’s good to the people which Work in office. 2,Correction the spine:The airbags massage your body according to body back bone structure and Return you a healthy body. 3,Stretch the body:Ajust people bones to suitable posation then Nervous system Intestinal tissue Blood muscl can reach balance. 4,The back rest can be adjusted by itself according to people’s height. 5,Airbags massage live waves:seat cushion 6.Backrest can be adjusted from 105°-140