Item type: Golden Hamsters Exercise Ball Toy <br>Material: plastic <br>Diameter: Approx. 18.5cm/7.3in <br>Weight: Approx. 374g <br>Purpose: hamster play, exercise <br>1、Running ball can provide the amount of exercise it needs, which is very beneficial to the pet's muscle stretching and myocardial function, and can greatly extend its life. <br>2、The lid is designed with press button, with a snapping point in the middle, which will snap on when the concave and convex points correspond. It will not fall off during running, and only one side can be opened. <br>3、Air vent design, hamster will form a wind flow channel when running, running and breathing, staying inside will not suffocate. <br>4、The ball is easy to install and a good toy for the hamster entertain. <br>5、2 colors available, easy to get what fit for your pet.<div>2 x Running ball semicircle</div><div>2 x Connection slice</div><div>1 x Screwdriver</div><div>6 x Screw</div>