Description: Premium Material: 15cm Yoga ball is made from professional grade PVC material, anti burst and anti slip for you and your family.Exercise Ball: Balance Ball is great for Pilates, yoga, back, and abdominal training, gymnastics, and shaping the whole body.Stability Ball: Yoga Ball great for improved posture and relieving lower back, enjoy pre/post workout stretches and improve your posture with ease.Easy to Inflate and Store: 6 inch barre ball can be easily inflated with the included tube, blown with mouth or with an air pump.Home Gym Equipment: Practical and functional exercise equipment for women men home/ gym/office workouts. Specification: Material: PVCSize: 15cm/5.91inch Package Includes: 1 Yoga Ball1 Blowing Tube Note: Please allow slightly errors due to manual measurement and different monitors.