Transform your workspace with our versatile Yoga Ball Office Chair, designed to enhance your posture and comfort during long hours at your desk. This innovative movable medicine ball desk chair features a 55cm bouncy ball that promotes active sitting, making it an ideal choice for kids, teenagers, adults, and even pregnant women looking for a supportive seating option. One of the standout features of our fitness ball chair is its ability to be easily disassembled, allowing you to use the ball separately for a full-body workout whenever you have a break. The chair is constructed from high-quality ABS and PE materials, while the ball is made of thickened PVC, ensuring a stable structure that can support up to 160kg (350lb). This makes it a reliable choice for users of varying sizes. The ergonomic design includes a non-slip ring-shaped stripe on the ball for added stability and a comfortable backrest that encourages proper posture. Whether you're working from home, studying, or simply enjoying some leisure time, our Yoga Ball Chair adapts to your lifestyle, promoting both productivity and well-being. Specifications: - Name: Yoga Ball Chair - Material: ABS and PE (Chair), PVC (Ball) - Load Bearing: 160kg/350lb - Ball Diameter: 55cm/21.7in - Gross Weight: 5.8kg/12.8lb Package Includes: 1 x 55cm Yoga Ball 1 x Ball Chair Base 1 x Ball Chair Back 1 x Air Pump 4 x Universal Casters 2 x Bottom Screws Please note, after initial inflation, re-inflation may be necessary to achieve the final size. Allow your ball to sit for 24 hours before adjusting to the recommended height of 55cm. Minor color variations may occur due to lighting and personal perception, and measurement discrepancies of 1-2cm are typical. Enjoy a healthier and more dynamic workspace with our Yoga Ball Chair today!