It can be used without the installation of folding bag, no need to install screws and other processes.Support the whole machine folding, super space saving, folding can be placed  the wardrobe, next to the desk under the bed.Support a variety of training postures: sit-up training, abdominal back training, push-up training, dumbbell training.Up to 360mm cushion height adjustment to meet different group and other functional training requirements.