DYNAPRO Exercise Ball - 2,000 lbs Stability Ball - Professional Grade – Anti Burst Exercise Equipment for Home, Balance, Gym, Core Strength, Yoga, Fitness, Desk ChairsVOTED #1 BEST EXERCISE BALL 2019 BY BUSINESS INSIDER, WIKI EZVID, AND BEST WOMENS WORKOUTS: Get a quick start on optimizing your health every box we ship contains an Exercise Ball that inflates using the hand pump that goes with it. Within minutes, you can use it as a stability ball in any kind of fitness training such as yoga or Pilates, or as a desk chair to correct your posture and support your back when you work. HEAVY DUTY ANTI BURST RATING CAN