PRO MAX Exercise Ball by SmarterLife - Professional Grade Yoga Ball for Balance, Stability, Fitness, Pilates, Birthing, Therapy, Office Ball Chair, Classroom Flexible Seating OUTDOOR HEATING & COOLING 【3D Stereo Audio】Using 50mm high

【3D Stereo Audio】Using 50mm high sensitive large speakers

Our products are rigorously tested because we believe that you deserve the best product

we offer three colorful patterns for more chioces

Shaft measures approximately mid-top from arch

PRO MAX Exercise Ball by SmarterLife - Professional Grade Yoga Ball for Balance, Stability, Fitness, Pilates, Birthing, Therapy, Office Ball Chair, Classroom Flexible Seating OUTDOOR HEATING & COOLING 【3D Stereo Audio】Using 50mm highNEW SHOCK RING TECHNOLOGY FOR MAXIMUM SAFETY YOU CAN LEAN ON: Our new PRO MAX series exercise ball shock ring surface pattern provides an ultra high anti burst rating of 2500 lbs. and retains its shape for years. Our stability ball doesnt pop like a balloon when punctured by sharp objects which is what happens with lower rated balls. Instead, it slowly deflates and protects you from injury during vigorous exercise or while using it as a desk chair.