Anti-burst Gym Ball Hardened for super burst protection. Supports user weights of up to 150KG. Comes packed with free pump for your convenience.Anti burst gym balls are the best tools for strengthening your core muscles. This refers to the muscles from your chest down into your pelvis and encompasses all abdominal muscles. Also ensuring the product is nontoxic and then can be safe to use of children. It is suitable for family, backyard, school ground, playing center, amusement park, swimming pool and seashore scenic spot. Anti burst improves the strength of the product. So the lifespan of the products will be extended.HIGH QUALITY, MADE TO BE BURST RESISTANTPERFECT TO INCREASE BALANCE,CORE STRENGTH AND FLEXIBILITYINTEND FOR TONING AND SCULPTING WITH PILATES,YOGA OR OTHER FITNESS EXERCISE.DOUBLE SIDED, HALF MASSAGE BALL, HALF SMOOTH EXERCISE BALLOur anti burst resistant exercise balls allows a worry free workout letting you achieve great workout results without worrying about possibility of bursting. Perfect for stability exercises, balance training, toning, or even stretching, our exercise balls will help you strengthen, tighten and tone your muscles and core with one simple accessory. Includes hand pump.HIGH QUALITY, MADE TO BE BURST RESISTANTPERFECT TO INCREASE BALANCE,CORE STRENGTH AND FLEXIBILITYINTEND FOR TONING AND SCULPTING WITH PILATES,YOGA OR OTHER FITNESS EXERCISE. Material: PVCUsage: pilates / Mind & Body / Fitness