Type: Silent rollers for duffel bags or suitcases. Heavy Duty Quality: The replacement luggage wheels are made of high quality PP PVC material, heavy duty, smooth sliding, strong load bearing, durable, and shock absorbing. Easy to Steering: These luggage swivel casters mute wheel swivel heads and allow you to roll smoothly and quietly without harsh noises. Wide Applications: Our durable suitcase silent swivel wheels are suitable for bags, luggage, and trolley cases. Good Replacement Luggage Wheels. Best Suitcase Accessories: Wheels are perfect accessories for suitcases. Practical, easily installed and used. Specification: Material: PVC, PP Plastic Size Chart: Front: 7.8cmx1.9cmx4.6cm/3.07inchx0.75inchx1.81inch Rear: 17cmx1.7cmx4.6cm/6.69inchx0.67inchx1.81inch Package Includes: 2 Replacement Wheels Note: Please allow slightly errors due to manual measurement and different monitors.