Safe, No Smell, We have improved the material of the product, even if the Exercise ball collides, it will not break, Sturdy and durable. Snap-on design, through the air outlet, Increase the ball friction and air circulation, pets will not heat or feel difficult to breathe staying inside for a long time.Its transparent design will make you see clearly while the hamster doing exercise. and you can play together with your pet to increase more pleasure. There are multiple vent holes on the ball, which is safe and breathable, and your small pets can play in it! Holes design on both sides of the running wheel which make it more breathable and allow hamsters to aerobic exercise. This small hamster ball can be connected to external hamster tubes, and with unlimited extension, which allowing you to DIY combinations to increase the difficulty of exercise for pets!
| Color | Blue or Pink or Yellow |