[Luggage Wheel Size] These luggage replacement wheels have a diameter of 50 mm and a width of 18 mm. These wheels offer exceptional stability and maneuverability, making them easy to replace and indispensable for travelers. [Compatible with Single/Double Wheels] Please carefully check if the wheel size is compatible with your original luggage wheels. Ensure that the wheel diameter, thickness, and axle length perfectly match your luggage for compatibility and optimal performance. [Premium Material] Our luggage replacement wheels are made of high-quality polyurethane rubber with excellent load-bearing capacity. This ensures long-lasting performance and smooth rolling on all surfaces. By upgrading your luggage with these wheels, you get superior stability and support, making your travel experience more comfortable and efficient. [Easy Installation] With these easy-to-install luggage replacement wheels, you can quickly repair your luggage, saving you time and money on expensive luggage repairs.