Trideer Anti-Burst Exercise Ball Chair - 65-75cm for Office & Home with Base & Pump

About This Item: 【Improve Posture & Relieve Back Pain】 – Recommended by physical therapists and chiropractors, our yoga ball chair for office can improve your sitting posture, strengthen your core muscles, and reduce lower back pain to encourage a healthier lifestyle. 【Help Improve Childbirth】- The micro movements promoted by sitting on the pregnancy ball chair at home stimulates your body constantly, resulting in a heightened flexibility to help birthing 【Stability and Safety】- Our yoga ball chair is made of non-polluting and hypo-allergenic material; rated up to 330 lbs. The base keeps the stable ball from rolling around. The 65cm exercise ball is recommended for customers 5'3” to 5'10” in height 【Anti Burst & Slow Deflation 】- Our ball chair is made with the honey comb structure; when being punctured by sharp objects,the ball will slowly deflate within 3-5 seconds.No abrupt explosion to reduce the chance of injury significantly 【Inflation Instructions】- Inflate the ball to