This Bule Advanced Fitness Yoga Pregnant Balls Can Be Used To Enhance Your Core Muscles, Improve Balance And Lose Weight. Which Is Ideal For Yoga, Pilates, Chest Compression, Sit-Ups, & Other Workouts. It Can Also Be Used As An Office Ball Chair To Improve Your Posture And Relieve Back Pain. Whether You Are Exercising With A Ball Or As A Table Or Chair Or Office Furniture, Our Size Gauges Can Help You Find The Ideal Ball Size. It Is Anti-Burst And Ensures Safety And Comfort In Use. Great For Physical Therapy, Athletic Training, Weight Loss Exercise, And Also Bodybuilding Training. Easy To Assemble With An Air Pump, So You Don’T Need To Buy An Air Pump Separately .After Deflating, The Yoga Ball Can Be Put In A Bag Or Box. Material: Pvc Size: L 65Cm Weight: The Ball Is About 900G Packing: 1Pcs