MATERIAL - Made of professional PVC material, soft and durable, anti-shatter and non-slip. Stay flexible and soft when fully inflated, and stay in place during yoga, Pilates, or physiotherapy exercises.SIZE - Diameter in 23 cm / 9 inches; Pink and Purple.SAFETY - Factory tested to be durable and explosion proof at 80kg, so you dont have to worry when working out.MULTIFUNCTIONAL - Perfect for various activities, such as yoga, Pilates or cross-fitness, to regulate muscles, increase aerobic endurance, improve strength and control weight. In addition to exercise, it can be used to correct posture, abdominal development, play therapy, sitting at a desk, pregnancy and childbirth support activities.Product Description2 pcs Soft Pilates Balls with Plastic Straw For Inflating - 9 inch / 23 cm - Pink and Purple How to use Remove the plug Have an inflatable tube inserted into the hole Blow air into the balloon Remove the tube after completely blowing the ball. Insert the ball cap completely at a time. SpecificationMaterial: pvcSize: 9 inches in DiameterWeight: 200 g / 0.44 Ib Package Includes1 * Yoga Ball Rose1 * Yoga Ball Purple