Features: 1. hu ndred percent Br and new and High qu ality. 2.Made of PVC material and very durable.3.Easy to install, no need to use other tools.4.Suitable for bags, luggage, trolley case ,and need you have a strong ability in DIY.5.Dual roller bearing wheels,rotating flexible, loadbearing. Specification:Material: PVCColor: Black Size: As Picture Shown Package Including:2 x Universal Wheels(Serial number random)1 Bags of Screws Note:The wheels are divided into left and right, and the assembly is not suitable for replacement.Due to the light and screen , the real color maybe a little different from the picture. Thanks and please kindly understand. .wang-edit-text{ font-family:'Arial' important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.