【Punctureproof】: This outdoor wheel uses sturdy PU that do not need to be inflated, ensuring that you don't need to worry about tire blowouts【Strong Load Bearing】: Each trolley pu wheel weighs about 510-550g and can bear up to 100 kg, making it an ideal choice for transporting camping equipment or heavy objects easily and stably【Durability】: Made of PU material, these solid wheel for beach cart have excellent resistance to cuts and tears, making them ideal for rugged terrain and complex environments【High Elasticity】: wheel with excellent elasticity and shock absorption for better comfort【Weather Resistant Structure】: This beach cart wheel is designed to withstand sunlight and is suitable for outdoor use without worrying about weather damage or environmental wear and tearSpecification:Material: PUSize Chart:Diameter: 17.5cm/6.89inchWidth: 10cm/3.94inchAperture: 0.9cm/0.35inchPackage Includes:1 Solid PU Caster Wheel