Is your luggage doing that annoying wobble-drag thing because the wheels are shot? This uxcell repair kit has everything you need to get rolling smoothly again. The wheels are 90mm in diameter and 24mm wide - pretty standard size that fits most suitcases, trolley bags, and even inline skates. They're made from this durable PU rubber material with built-in double ball bearings, so they spin super smoothly and quietly. No more sounding like you're dragging a dying animal through the airport! The kit comes with 2 wheels plus all the hardware you need - wrenches, axle screws, washers - so you're not scrambling to find the right tools. Installation is actually pretty simple: pop out the old wheel's rivet, slide in the new one, and secure it with the provided screws. These wheels have serious load capacity and the rubber is wear-resistant enough to handle rough pavement and airport floors. Way cheaper than buying a new suitcase! Also works great for skateboards, wheelchairs, or any other rolling equipment that needs new wheels. The package has everything measured out so you don't have to make multiple trips to the hardware store. Seriously, for under twenty bucks, you can extend your luggage's life by years.