Fine-tune your core to your liking with the Gym Ball Abs with Pump. Designed to be inflated just the right amount, this exercise ball improves balance, core strength, stability and flexibility to help you achieve results from multiple angles.*
*Caution: Do not inflate beyond the maximum stated diameter (measure height from the floor and stop inflating when the ball reaches its specific height). Keep away from sharp/pointed objects, sunlight or other direct heat sources. Intended for indoor use on flat/hard flooring surfaces in unobstructed areas away from stairwells or other potential hazards. Always consult your physician before starting any new exercise routine.