This is no flat replacement tire for wheelbarrow. You will never again be stuck with a flat tire. This tire does not require air and features a solid polyurethane design. This is the ideal replacement wheel for wheelbarrows used on tough terrains. Strong and durable tire.  No flat tires have the same performance, cushion, bounce and feel as air filled tires. They are resistant to ozone and UV rays, and will not be affected by rough weather or tough terrain. These tires are made out of lightweight, solid polyurethane foam and are guaranteed to never go flat.