Freedom Hauler FH501 trailer bias tire boasts exceptional durability thanks to a nylon overlay throughout all sizes for strength. Its enhanced shoulder design promotes longer tread life and minimizes heat buildup, keeping you rolling worry-free. The bias ply polyester construction means great durability at an economical cost. Walmart does not ship tires to PO BOXES. We do offer shipping to any Walmart store, and valid residential or business addresses anywhere in Canada. Walmart.ca carries a huge assortment of trailer tires, car tires, tires for light trucks, SUV tires, all-season tires, automotive tires, all-weather tires, winter tires, snow tires, summer tires, LT tires, tires for CUVs, high performance tires, UHP tires, premium brand tires, and every-day value tires for many other types of vehicles.