Saddle Stool with Back Support, Rolling Stools with Foot Rest, Ergonomic Adjustable Stool with N753P300969BErgonomic Saddle Stool: This saddle stool features an advanced ergonomic design ,encourages better posture and protects your back and waist. which can reduce the injury to the back and neck of the long working hours. It scientifically distributes body weight and elevates the hips, significantly improving comfort during prolonged sitting periods. Versatile and comfortable design : The rolling stool is equipped with a backrest, footrest ring, which is