Thank you for viewing! Hamster Exercise Wheel Silent Wheel Diameter 17cm Quiet Anti-slip Durable Easy to Run Stress Relief Rotating Wheel Small Animals It has anti-slip convex lines to increase friction and improve stability, preventing slipping. It's completely clear, so you can easily see your pet inside. The corners are rounded for safety and stability, making it safe for pets. With stable rotation, it has a quiet design that doesn't make rattling noises when running, so you can use it without disturbing the owner or neighbors. Designed for various small animals such as sugar gliders, hamsters, and guinea pigs to enjoy safe exercise. The product will be carefully packaged and shipped.