Anti Burst Peanut Ball by LovIT- Stability Physiotherapy Ball for Exercise, Therapy, Natural Labor Birthing, Dog Training & More - 40x80cm MORE STABILITY THAN ROUND EXERCISE BALLS Unique shape of this peanut ball makes it an ideal yoga ball or Pilates exercise ball for those who need more support or have trouble maintaining their balance BUILT TOUGH FOR SAFETY Peanut fitness ball is incredibly burst resistant to keep you safe during your ball exercise workouts; Exercise ball is tested to a weight of 660 pounds PERFECT FOR YOUR WORKOUT Core exercise ball can be used for a number of ball exercise moves to strengthen and tone the abs, improve flexibility and ease tension SATISFACTION GUARANTEED If for any reason you're not completely satisfied with this ab exercise ball within 30 days of your purchase, we'll refund your money BODY SAFE MATERIALS Our peanut workout ball is made out of PVC free materials