ANTI BURST & SLIP EXERCISE BALL: Built with professional quality PVC material, our anti-burst, workout stability ball can stand up to the most rigorous workouts up to 2000 lbs - all while preventing you from slipping off! | VARIETY OF USES: Excellent balance balls for exercise, yoga, pilates, and stretching at home, in the gym, or the office! Also great to relief back pain, during pregnancy, and for improving your posture & core strength. | QUICK & EASY SETUP: Included is a quick, dual action inflation air pump to easily and quickly inflate the balance ball. Your stability ball is delivered deflated and can be pumped up in minutes with minimal effort | THE PERFECT GIFT ITEM: Comes in retail ready box with detailed instructions, 2 air stoppers, and a workout guide! Great office chair for a co-worker, friend, or family member who enjoys physical fitness and stability! | OUR PROMISE – We stand by and believe in our products! If you have any problems, contact us and we will offer you a full refund or replacement!