With the right tools, training becomes a part of everyday life, and our Anti-Burst Core Fit Ball makes it easy. Keep it in the home office or living room for everyday use as a comfortable core strengthening seat; add it to any weight-focused workout to challenge yourself and increase recruitment of stabilizer muscles; or make it the centerpiece of your core workouts for maximum muscle-building across the entire abdominal wall, easily and efficiently targeting the abs, obliques, and erectors. Designed with a non-slip, easy to grip surface and made with latex- and BPA-free PVC, the ZIVA Anti-Burst Core Fit Ball comes in different sizes for different body types, but all are tested up to 1000 lbs. so your workout session stays safe no matter how intense.