SportShiny Starfish Balance Ball Chair-Exercise Stability Yoga Ball Ergonomic Chair for Home Office Desk with Slipcover&Air Pump,Improve Balance,Core Strength&Posture,Relieve Back Pain,24-inch,Aqua

【Stay Active Stay Focused】- You may think it‘s impossible to stay active while sitting at a desk for hours. With our unique designed starfish, it’s not! This revolutionary yoga ball chair will change the way you sit by engages your core and leg muscles while your mind is still free to concentrate on the task at hand, leading to higher energy levels and increased productivity and focus on work or study. 【Relief And Improve Posture】- Back start to go wiggly and posture get mushy？Stop slowly murdering your body by sitting still all day long. Our yoga ball chair uses its patented bionic ergonomic design to encourages proper posture, allows the spine to return to a natural state of balance, as well as provides much-needed relief throughout the back. 【Comfortable And Easy Care】- You should have second thoughts when you sit on the first generation ball chairs, for it is difficult to avoid the discomfort squashy plastic yoga ball effect and you may also wonder if it’s hard to clean and maintain a dust and dirt magnet like that. With Starfish, you can put all these worries behind you. Just feel free to enjoy the comfortable touch brought by CozyProtect slipcover and throw it in the washing machine whenever you want to clean it. 【Reliable And Durable】- Low-cost plastic parts become weak and fragile due to inevitable aging after long-term use. You don’t want that when you are the one sitting on it all day. Specially developed 100% explosion-proof ball core and CFS High-strength low-alloy steel (HSLA) frame makes Starfish unprecedented strong, reliable, and durable. Maximum load capacity of 400lbs, tested and certified by SGS. 【Free To Move】- No more restraints now, free to move as you wish. Upgraded from our previously well-received classic Starfish chair series, the new infinite360 Caster load-bearing system is Quiet and anti-skid, give you ample space to move around with maximum flexibility. all four wheels are equipped with locking mechanism in case you still need some stationary moment. (4 Fixed base still included after upgrade, choose freely as you wish!)