Trideer Exercise Ball (Multiple Color), Yoga Ball, Birthing Ball with Quick Pump, Anti-Burst & Extra Thick, Heavy Duty Ball Chair, Stability Ball Supports 2200lbs SAFTY FIRST- ANTI-BURST AND DURABLE: rated up to 2200 lbs, Made of eco-friendly, hypo-allergenic material EASY TO INFLATE: Save time and energy with the QUICK INFLATION FOOT PUMP included in the package GET FIT WHILST YOU SIT: used as an OFFICE BALL CHAIR to improve your Core Strength & Relieve Back Pain VERSATILE: Perfect for Pilates, Yoga, Gym Fitness, back and abdominal Training and pregnancy gymnastics 30-DAY NO HASSLE RETURNS & 12 MONTHS REPLACEMENT WARRANTY (If your not thrilled for any reason, simply contact our reliable customer support team and you will receive unmatched personal assistance.) Extra thick PVC: 2000 Micrometersthickness, make you feel secure when using it Non-slipmattesurface: Fora high grip Anti-BurstTested: First-classprocessing makesureitratedupto2200lbs Package includes: Exercise Ball/User Manual/Foot-Pump/Plug/Plug Remover Tool/Measuring Tape.  <span class="a-text-italic">  Available in 5 sizes (ranging from 45cm - 85cm) and multicolor for the perfect look and fit.</span> Let the ball sit at room temperature for two hours. Insert the tip of your foot pump into the ball&#039;s air valve and work the pump. Inflate the ball to about 80% of diameter initially.Wait a further 24 hours before inflating to the recommended size. You should avoid using the ball within the first 24 hours. Pumping it up again to the recommended size. Insert the plug and the let the ball sit for another day. Our exercise balls are used in numerous sporting activities and in aspects of daily life. The balls play an important role in the treatment of back problems, and it has been proven to help the gentle muscle building in the area of physiotherapy. With a wide range of capabilities,Trideer exercise ball will change the way you workout. The exercise balls will be great for<span class="a-text-bold">Improving Balance &amp; Core Strength, Relieving Back Pain &amp; Adjusting Posture</span>. A stability ball offers a better way of sitting behind your desk. In this case,you are working out even when you just sitting on it, how cool is that? The birthing ball can help to ease back pains and labor pain while making it easier for you to move around. It&#039;s also perfect for prenatal exercises, which helps to open your pelvis and position your baby in a way that is optimal for childbirth<span class="a-text-bold">(please use it under specialized supervision).</span>