Trideer Exercise Ball (45-85cm) Extra Thick Yoga Ball Chair, Anti-Burst Heavy Duty Stability Ball Supports 2200lbs, Birthing Ball with Quick Pump (Office & Home & Gym) EXTRA THICK AND ANTI-BURST: one of the highest density exercise balls in the market. 2000 micrometers in thickness and can resist up to 2200 lbs. HIGH QUALITY MATERIAL AND ANTI-SLIP: Professional quality with non-toxic PVC material, free of BPA & heavy metals EASY TO INFLATE AND PERFECT PACKAGE: Save time and energy with the quick inflation foot pump included in the convenient box. Also comes with 2 more air stoppers and instructions VERSATILE USE: Not only great for pilates, yoga, back and abdominal training and pregnancy gymnastics or the hundreds of low impact exercises, but also can be used as office ball chair to improve your posture & relieve back pain. Available in 5 sizes (ranging from 45cm - 85cm) and multicolor for the perfect look and fit. 30-DAY NO HASSLE RETURNS & LIFETIME CUSTOMER & 12 MONTHS WARRANTY (not including artificial issues) Extra thick PVC: 2000 Micrometersthickness, <span class="a-text-bold">make you feel secure when using it</span> Non-slipmattesurface: Fora high grip Anti-BurstTested: First-classprocessing makesure<span class="a-text-bold">itratedupto2200lbs</span> Package includes: Exercise Ball/User Manual/Foot-Pump/Plug/Plug Remover Tool/Measuring Tape. 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. Pumping it up again to the recommended size. Insert the plug and the let the ball sit for another day. 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. Improving Balance &amp; Core Strength, Relieving Back Pain &amp; Adjusting Posture. A stability ball offers a better way of sitting behind your desk. Help to ease back pains and labor pain while making it easier for you to move around. Helps to open your pelvis and position your baby in a way that is optimal for childbirth