Our Yoga Ball will relieve your pain, improve your breathing and circulation, coordinate pelvic floor muscle ligaments, enhance your flexibility and strength.Product Name: Yoga BallYoga ball type: smooth ballColor classification: sky blue dark gray purple rose red yellowDiameter: 65cm (height 160-165cm)note:1. For manual measurement, the size may be slightly different, please forgive me.2. Due to the difference in shooting light, there may be some chromatic aberration. Please refer to the actual product.3. The general delivery time is 15-25 days, please be patient.4. If you have any questions, you can contact me by e-mail, we will give you a satisfactory answer.