"Specification Quantity: 2 pieces Material: PVC Package weight: 180g Diameter: 8cm Packing included: 2 * LED POI throwing balls 2 * rope Product description & product data: 1.The shell is made of 40% silicone and 60% rubber, which makes it very durable, but at the same time, the pain caused by hitting the body is also small 2.Each ball is equipped with super bright LEDs, these LEDs keep changing the color of the ball, and the switches of these balls are stronger and lighter than other models used on the market LED color changing effect, each color cycle takes about 8 seconds. 3.Ideal for indoors and outdoors, play with family indoors, camping, at the beach or anywhere in nature 4.These LED light up balls are soft so you don't have to worry about your kids hitting their heads. Easy to use, very durable, very beautiful, suitable for children to play, can also be given as a gift 5.Play rave balls in carnival, music festival or dance, become the focus automatically. Throw the stress ball, release the pressure in a good way and create fun.