●Easy to install,simple and elegant. ●Round 4 hole design, suitable for Bags, luggage, trolley case, with a light weight, thermal insulation, convenient use, etc ●Perfect Fit for your luggage good replacement wheel. ●One Pair - Left&Right Luggage Suitcase Wheels. ●Note: 1. Before purchasing, compare whether the arrangement of holes is consistent. 2. Compare the size of the hole position and the height of the backrest at the edge of the screw hole. 3. Only after the size is confirmed can it be ensured that it can be replaced perfectly.