Quality This hamster ball is made of high-quality plastic, sturdy and durable, not easy to damage Installation The installation of the hamster toys ball is very simple, you only need to fix the two hemispheres and the lid, then flip them to lock them in place, and the assembly can be completed in a few seconds Safety The transparent design of the hamster balls for dwarf hamsters is convenient for you to observe your cute little pet at all times. The assembled hamster ball is not easy to fall off and will not harm your pet Sports Running a ball can make your hamster perform some exercises. There are several safe and ventilated holes on the ball, so your little animals can play for a long time Application The hamster sports ball is suitable for hamsters, guinea pigs, and other small furry animals. The diameter of the running ball is 12cm, so your small animals can play as much as they like