Material: PVC<br>Weight: about 900 grams<br>Size: Diameter: about 50 cm, height: about 28 cm<br><br>Package List<br>1 pcs Yoga Ball<br>1 pcs Inflato<br>Due to the different monitor and light effect,the actual color maybe a slight different from the picture color.<br /> Please allow 2-3cm differs due to manual measurement.<br>1、Durable Material: The thickening non-latex non-slip, durable PVC material can carry a weight of up to 300 pounds. 2、 Improve balance: Inflatable donut balls can improve the strength, balance, coordination and flexibility of the core. 3、 Safe: Lightweight, 900g, safe, non-toxic and tasteless, no harmful substances. 4、 Flexible: It can be used as a training and fitness yoga device, as well as a nursery and family seat, as it is much more stable, flexible and interesting than the ball. 5、 Multipurpose: It is suitable for bodybuilding yoga, leg exercises, core training, stabilization yoga, balance training, stool and seats that can be used in the gym, office or classroom.