1.EASY TO INSTALL: This wheel is easy to install and remove. Each set consists of 2 pieces of spare wheels, easy to install without complex tools. The wheels fit perfectly on most luggage, which is handy.^2.PERFECT FIT : High quality spare wheel set is suitable Compatible With bags, luggage, trolleys, etc. It is an excellent Compatible With Compatible With your suitcase.^3.GOOD PERCompatible With MANCE: This travel suitcase wheels is lightweight, heat-insulating, moisture-proof, flame-retardant.^4.PREMIUM MATERIAL: This plastic wheel is made of high quality PVC, durable Compatible With long time use.^