High quality rubber materialSuitcase caster is made entirely of rubber material, low cost non-oil resistant material, good strength water, good elasticity when the hardness is less than 70 and poor compressibility when the hardness is high. High Quality: Brand new and high quality luggage replacement wheels. Wear, mute, load-bearing, double bearing, rotating flexible. Quality rubber and more stable bearing, wear, mute can work well with the suitcase. Suitcase wheel have better wear resistance and aging resistance. With double bearings, they can rotate flexibly. A single suitcase wheel can bear 50kg, and the sound can be well matched with the shell. Easy to install: The suitcase wheels are easy to assemble and can be installed by yourself, easy to install without manual. When installing, pay attention to the tightness of the wheels, so that the suitcase wheels can roll better. Notes Hot: Buying a new suitcase is wasteful, but when the wheels break, it's a very economical way to extend the life of your suitcase. Before placing an order, please measure the wheel data of your luggage and choose the appropriate wheel size.