Features: brand new and high quality The sphere's tentacles are soft and moderate, massage your skin. It can stimulate nerve endings, promote blood circulation, relax tense nerves, and enhance the flexibility of the body. Apply to balanced training, yoga techniques, and physical fitness training. Enhance children's ability to identify colors, train children's practical ability and interest in sports. Inducing and sensory integration training on autistic children. Specifications: Material: PVC Weight: approx.260g Color: Blue/Green/Yellow Size: approx.15.5x10cm/6.10x3.94in Package: 1Pc Package Includes: 1Pc x Half Yoga Ball note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!