Spend a lot of hours sitting and are you tired of the continuous back pain? VLUV reinvents the static office chairs and transforms the old Wellness Ball into the "active" session for work and study, you will say goodbye to the pain and you will feel more toned and active! Its spherical shape requires a constant tension of abdominal, lumbar and cervical muscles to maintain balance. Without realization you will take an upright posture and make a series of micro-stations that will lead to immediate benefits. This ergonomic ball reinforces the musculature, improves balance, flexibility, coordination and posture. Despite its spherical shape the VLUV ball does not roll away, thanks to the integrated ring at the bottom of the sphere. The elegant line and the material sought are vluv a real design object to enhance your environments with style and practicality. The heart of VLUV Leiv consists of a sphere made of anti-burst PVC while the coating, removable and washable at 30 °, is in high-density polyester canvas to ensure maximum comfort. Its reduced weight and the comfortable handle allow you to easily move your VLUV around home or in your studio. This 60-65 cm version is perfect for high people 155-180 cm. Recommended for standard tables with a height of about 74 cm. It can support up to 120 kg. Certificates as "ergonomic product" by the German IGR EV Institute Specifications Material: Polyester fabric style with dense texture. Internal sphere: anti-burst-out pvc without ftalatidimensions: Ø 60-65PESO: 1.5 kg