Are you searching for the perfect exercise ball to help tone your abs, glutes, back, and upper body? Look no further than our high-quality, durable, easy-to-use Great Workout Ball. Available in three sizes to fit everyone's needs, our ball is ideal for a variety of exercises. Just remove the white plug and inflate with the included pump - no air will get out thanks to our innovative design. You may have to re-inflate your ball once or twice after the first inflation to stretch it to its final size, but it's well worth it for the results you'll see!