Premium Quality: The Wheels Are Made Of High Quality Plastic, Luggage Wheel Replacement Kit, And The Wheels Spin Very Quietly.Long Term Service: Durable Pvc Wheels In Exceptional Black Color, Durable For Outdoor Use. Long Term.Easy To Use: Easy Operation But Great Sense Of Achievement. Use A Hacksaw To Cut The Pole Or Drill The End That Connects The Original Wheels.Wide Use: The Wheels Mute Effect And Wear Resistance, Flexibility Is Very Good, Replacement Wheels For Suitcases And Wheels For Roller Skates.Fexible Multi-Directional Wheel: The Scratch-Resistant Matte Surface Of These Wheels, Durable, Stylish And Elegant. The Wheel Can Turn At Any Angle. It'S Very Easy And Flexible To Use.