1、PVC Material: The luggage wheels are made of PVC material, ensuring a sturdy and durable construction that can withstand the wear and tear of frequent travel. 2、Lightweight and Convenient: These PVC luggage wheels are designed to be lightweight, making it easy to maneuver your luggage without adding unnecessary weight or strain during your travels. 3、Thermal Insulation: The PVC material used in these luggage wheels offers excellent thermal insulation properties, keeping your belongings safe from extreme temperatures. Also flame retardant, providing enhanced safety during your travels. 4、Easy to Use: Suitcase casters are easy to install, open the case, locate the screws, unscrew them, and screw on the new wheel. (This product does not include screws, please note.) 5、Quiet and Wearproof: These luggage wheels are designed to operate quietly and smoothly, ensuring a noise free travel experience. The wheels are also wearproof and feature exquisite craftsmanship, long lasting performance and practicality. Item Type: Suitcase Wheels Replacement Weight: 480g/16.9oz Material: PP and PVC 4 x Luggage Casters