These 5-inch diameter, 1.25-inch wide shopping cart wheels feature purple polyurethane treads on a polyolefin center with needle roller bearings and thread guards for smooth, debris-free rolling on a standard 5/16-inch axle. They provide non-marking, quiet performance with up to 250 pounds capacity per wheel, ideal for grocery stores and retail environments. The durable design handles daily impacts, spills, and high-traffic floors while keeping carts lightweight and easy to maneuver.