Pure2improve Blue Yogaball Antiburst in Size 65cm, Sports Direct. The Pure2Improve Anti-Burst 65cm Yoga Ball is a extremely durable and quality yoga ball. At 65cm you have plenty of room to carry out Yoga and Pilates or perform an array of exercises like fusion exercise programs to strengthen and firm abs, back and button. Strengthen your core and improve your posture with the Core Balance Anti-Burst Ball. The ball constantly engages your core as your muscles go into overdrive to help you maintain your balance. Made from an anti-burst PVC which is abrasion-resistant and extremely tough under pressure. Each ball with designed with anti-slip lines for ultimate peace of mind and a more confident workout. The small, raised lines to give the yoga ball a superior grip on smooth surfaces to prevent it slipping and sliding from underneath you. Available in Pink and Blue.Looking for alternatives to stores like JD Sports, eBay, SHEIN, ASOS, Next, Best Choice UK, Very, Decathlon UK, Argos, schuh, Temu, BuyBetter, or Nike Official? Discover our unique selection.