Silent Spinner, Large is The Wonderful, Whisper Quiet Workout Wheel for Pet Rats And Chinchillas. Patented Ball Bearing Technology Makes These Wheels Super Silent. Silent Spinners Work Ways: Attach Directly to Any Wire Cage. High Quality Plastic Running Surface is Safe and Comfortable for Your Furry Friend's Feet.

• Diameter 4.72 inch, thickness 2.1 inch, high 4.72 inch, high quality plastic, ultra-quiet running wheel patented, 100% environmentally friendly non-toxic formaldehyde
• Waterproof and durable patented Silent running wheel beautiful formaldehyde
• Encourage Healthy Exercise
• Totally Toe and Tail Safe Exercise Wheel
• Small Pets Love the Solid Running Surface

Diameter 4.72 inch, thickness 2.1 inch, high 4.72 inch, high quality plastic, ultra-quiet running wheel patented, 100% environmentally friendly non-toxic formaldehydeFAREN