Office Balance Ball Chair with Base & Pump, Exercise Ball Ergonomic Yoga Ball Seat, Anti-Burst Stability Sitting Chair for Posture Training

★Using our ball chair can improve your sitting posture, and helps build core muscles, exercise and stretch during your break to get rid of your fatigue and relieve stress, which leads to increased energy levels and effective productivity and focus at work, ergonomic ball chair is an amazing replacement for a chair at home or work.★Specification:- Material: PVC - Ball Diameter: 55 cm (21 5/8") / 65 cm (25 5/8") / 75 cm (29 1/2")- Load Bearing: 160 kg (350 lbs)★Features:- Eco-friendly PVC, non-toxic, anti-slip, anti-burst- Strengthen your core muscles, reduce lower back pain- Improved flexibility, strengthen the pelvis to help birthing- Stability base, not roll around- Easily stores under your desk- Birthing ball is a great gift for every mum during pregnancy★Package Contents:1 × Yoga Ball1 × Ball Chair Base1 × Air Pump★Note:- There may be an error of 1-3 mm due to manual measurement.- There may be chromatic aberration due to the difference between the recording lamp and the display. Please refer to the actual product.

• 【 Improves Posture 】: Balance ball chair can provide a comfortable dynamic sitting experience, combining both comfort and ergonomic back support, soothe pains that come from sitting for long periods of time, relieve your back pain.
• 【 Healthy Exercise Ball Chair 】: Stability ball chair encourage consistent muscle contraction, stimulates blood flow, strengthen your core muscles, improve your stability and balance. This product is perfect during pregnancy and labor-time too.
• 【 Sturdy PVC 】: The ball chair is a simple combination of a yoga ball and ring base, made of non-toxic, hypo-allergenic PVC material, anti-slip and anti-burst, bear loads up to 160 kg (350 lbs). Easy to inflate with the provided pump.
• 【 Inflatable Ring Base 】: In order to increase stability, the fitness ball has a non-slip ring base, which can fix the fitness ball to prevent movement. Pilates ball and base are not connected and can be removed for ball only workouts.
• 【 Inflation Instructions 】: It may be necessary to re-inflate the ball after initial inflation to allow the ball’s material to stretch to its final size. Inflate ball with air, let stand for 24 hours, deflate 50% then fill again to the purchased height. (Watch out for over-inflation)