Improve your posture and relieve back pain with the stylish Leitz Ergo Active Sitting Ball. This specially designed 75 cm ball gets your back and core muscles moving while offering a different way to sit at your desk.Switch between the ball and your regular chair every 30 minutes to boost flexibility and create your perfect active workspace. The anti-roll feature keeps the ball from moving when you stand up, while the sturdy handle lets you easily carry it from room to room.Safety stopper keeps the ball in place when not in useRecommended by IGR with strong phthalate-free inner ball supporting up to 150 kgRemovable cover you can hand-wash for easy cleaningComes with inner ball, fabric cover, hand pump and instructionsPerfect for users between 181-200 cm tall