product 1.Yoga exercise ballYoga exercise ball is a tool for yoga lovers to increase balance core strength, balance, stability, physical therapy.2.Mini Fitness BallMini fitness ball, both adults and children can use. The mini exercise ball is designed to fit all body types. Easy to use and meet different needs. The fitness ball is easy to carry, not limited by location, small in size and light in weight.3.Small Fitness BallThe small fitness ball exercises your chest, back, buttocks, legs, abdomen and other muscles, increases your balance and stability, and improves your posture.4.Balance Ball, Stability BallMade of durable PVC material. Long-term use improves brain balance and flexibility, improves core strength, and relieves neck and back pain.5. [How to use the physiotherapy ball] First, pull out the air plug of the fitness yoga ball. Second, insert a free straw and blow. 3. When the ball is 70% or 80% full, quickly install the air plug. Inflate complete, enjoy yoga.