- Material safety: The jumping ball flashing dog toy ball is made of natural rubber, which is safe and non-toxic. Small dogs are easy to bite into a reasonable arc, which is only suitable for small and medium dogs, not for large dogs. Puppies can chase, run and play in their mouths. Your dog will become lively and active. (Note: The product is fragile and needs to be played on soft grass) 2. Instructions for installation and use of the luminous pet ball: The outside of the pet ball is: there are 12 rubber heads. If you receive the installed product, you only need to do it once and press in the rubber head. The inside of the ball is: it can be opened. The customer needs to install 4 batteries in the ball. After the installation is complete, press the button to glow. (Note: There is no battery in the product package, customers need to install it by themselves after purchase) 3. Fun pet toys: When the button is pressed, the pet toy ball will flash, which can enhance the interaction