Features: brand new and high quality brand new and high quality brand new and high quality ● A bouncy ball that is soft, shiny, easy to use, easy to for play, and beneficial to children and adults. ● Material: high-quality tpr material (thermoplastic rubber), silicone rubber. Hypoallergenic, non-toxic, free of bisphenol A, phthalates and latex, safe for children and adults. ● Decompression: It is an for ideal stress ball for children, but it can also be used to for play games, for play gadgets and even for play in the office. It is also suitable as a pressure ball for adults. ● Size: The diameter of each ball is approximately 9 inches. The size is right, it can be held in the for palm of your hand, and the weight is good. ● Wide range of uses: reduce stress and anxiety, and increase the patient's patience. It is very suitable for children or adults suffering from Jia/jia, obsessive-compulsive disorder, autism or high anxiety disorder. Help them calm down and for focus. ● There is a hook on the top of the ball to make the ball more interesting, easy to swing and addictive. Specifications: Material:TPR+LED Color ：Random Size: Approx.9x10x8.5cm/3.54x3.93x3.34inch Package Includes: 1xDecompression Ball note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.