Exercise Ball Chair Stand with Backrest, Rolling Active Sitting Chairs Base, Stability Yoga Ball Chair Base for Core Strength/Sitting Balance

★Our ball chair base allows you to make the most of your yoga ball, 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, ergonomic ball chair is an amazing replacement for a chair at home or work.★Specification:- Material: ABS ＆ PE - W x H: 53 cm (20 7/8") × 79 cm (31 1/8")★Features:- Ergonomic design, improves sitting posture- Good choice for having a yoga ball at home- Easily stores under your desk- Improved flexibility, strengthen the pelvis to help birthing- Strengthen your core muscles, reduce lower back pain★Package Contents:1 × Ball Chair Base Frame★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.

• 【 Durable Materials 】: The yoga ball chair base frame made of high quality ABS and environmentally friendly PE, sturdy and stable
• 【 Office Chair Replacement 】: The ball chair base is designed to work with 55cm(21 5/8") yoga ball. Allow your exercise ball to function as a chair. When you want to have a workout, you can just take it out and fitness
• 【 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
• 【 Easily Installed ＆ Removable 】: Installation is very simple. Simply fix the seat back to the base and attach the 4 wheels, then just place your ball on the chair