Introducing our Polyurthane Flat Free Wheel for trolley 3.00-4, with a durable and reliable 10-inch design. Our factory is committed to providing you with high-quality products that are built to last. This wheel is designed to be flat-free, eliminating the need for constant air refills. The polyurethane construction offers superior resistance to wear and tear, making it ideal for heavy-duty applications. With a tread pattern that offers excellent traction, this wheel provides optimal stability and control over various surfaces. Trust our factory to provide you with a top-quality product that meets all your trolley wheel needs.