Compare Merrithew Mini Stability Ball

Compact and portable stability ball allows you to enhance your posture and engage in a full-body workout anywhereCreate levels of instability by adjusting the ball along your spine to engage your core stabilizing muscles and improve your overall body awarenessEffectively target your arms, abs, buns, and thighs with exercises in sitting, standing, or lying positionsIntroduce new levels of core and muscle activation to your Pilates, yoga, or functional strength training routinesComes with a bonus downloadable exercise guide to help you maximize your workout potentialIncludes a plug, an inflation straw, and a plug remover for easy setup and useSubject to a sizing tolerance of 0.75-inch (19mm) that can be observed due to the flexibility of the material and the amount of air inflation applied