<b>Brand Introduction<b> <br>DEVEBOR is a young brand focusing on sports and fitness. Its main products include fitness ball, massage ball, balance board, hemisphere, etc. DEVEBOR hopes to share with customers the most comfortable products. Therefore, we always adhere to and always maintain the high quality requirements for products.<br><br> <b>About This Product<b><br>DEVEBOR is an explosion-proof fitness ball made of safe and environment-friendly PVC materials. It has high ductility and good softness. The ball surface is designed with spiral stripes for good slide.<br><br> <b>How to Use<b><br>DEVEBOR explosion-proof fitness ball can effectively help you relax your abdomen, back, waist and other major parts. When practicing, you should cooperate with slow and rhythmic breathing to stretch, squeeze and other movements, so that the muscles can be effectively massaged and relaxed.It also improves concentration, reduces stress and increases the endurance of the limbs and spine.You can use the DEVEBOR blast ball to do pilates and yoga, especially for those who don't have enough exercise or don't have much time in the gym.We offer three sizes for you to choose from. You can choose according to your height:55cm (below 160cm in height)65cm (height 160cm-170cm)75cm (over 170cm)<br> <br> <b>After-Sales Guarantee<b><br>We promise that if you are not satisfied with our products, you can change them or return them or even get a refund, because we have great confidence in our products.<br><br><b>WARM NOTE:</b></br> If you have any questions before, during or after buying, please always feel free to contact us first and give us a chance to provide you with the most satisfied service. Wish you a peasant shopping here with us!