Product Rigid Air SeatThink of as one of those normal yoga balls in a fine dress or a tailored suit. The premium anti-burst PVC inner ball's pressure is contained by one our tightly fitting, meticulously crafted covers; its like nothing before its time.Stays round, doesnt deform under weight, and has just enough give for your toosh. A premium, anti-burst, PVC inner ball comes with every cover Relieve Lower Back Pressure, Improve Focus and stay active while seated.Sitting still for long periods takes a toll on our joints and leaves us with sore muscles.Breaks the mold of the traditional office chair because it is round. Experience the freedom to wiggle, bounce, and shift all day long; pivot while you sit for happy joints and muscles Desk Chair / Fitness Tool / OttomanIt can also be used in your daily fitness routines and functions perfectly as an exercise ball for use during balance training, yoga, or Pilates When youve finished your busy day, sit back on the couch and take the weight off of your feet using as a handsome, modern ottoman. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia