Welcome to our store! We are pleased to present our high-quality hamster running wheel made of PP environmentally friendly resin material. This material is non-toxic and odorless, ensuring the safety of both small pets and their owners. The running wheel features a thickened design, making it safe, stable, and bite-resistant. The thickened wheel disc wall effectively balances the rotation speed, providing a smooth and enjoyable experience for your pet. We have integrated silent black technology into the design, ensuring noise-free acceleration. The high-quality durable bearings contribute to significant noise reduction and high operational reliability. To enhance safety, the running wheel is equipped with anti-slip features and a soft protrusion. These features prevent pets from falling due to inertia. Additionally, the outer edge of the wheel is rounded and polished to prevent gnawing and ensure stability. This package includes 1 running wheel, 1 fixed axle, and 1 nut. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.