Features1Lightweight And Durable: The casters are made of aluminum alloy, which is strong and durable, and can withstand a certain amount of weight and be used for a long time. At the same time, due to the characteristics of aluminum alloy, casters are also very lightweight. 2Safety And Environmental Protection: Casters have the characteristics of heat insulation and flame retardant. The use of casters can improve the protection performance of the luggage and prevent the external environment from damaging the luggage. 3Mute And Wearproof: Casters have the characteristics of mute and wearproof, which will not produce noise when used, bringing users a better using experience. At the same time, the wearproof characteristics can also extend the service life of the casters. 4Practical: It is an important luggage accessory, which can provide convenience for the use of luggage, help you easily push and pull luggage, convenient for traveling. 5Easy To Install: The casters are easy to install, just open the luggage shell, unzip the zipper, find the screw position, unscrew the screws, and then install the new wheels. Users can do the installation by themselves according to their needs, which is convenient and quick.SpecificationItem Type: Caster WheelsMaterial: Aluminum Weight: Approx. 319g / 11.3ozPackage List2 x Caster Wheels