【Product Content】You Will Receive 8 Single Bead Universal Wheels. Each Universal Wheel Is 4.5*2.5Cm In Size And Is In Black And White In Color, Suitable For The Movement Of Various Furniture And Items. 【Product Material】Made Of Steel Balls And Nylon Columns, This Product Is Durable And Sturdy, Ensuring That The Universal Wheel Can Withstand A Certain Weight And Provides Smooth Movement And Long Service Life. 【Self-Adhesive Design】This Product Adopts Self-Adhesive Design, Which Is Easy To Install, Without Complex Tools Or Professional Skills, And Can Be Used Simply By Pasting, Suitable For All Kinds Of Furniture And Equipment. 【360° Rotation】This Universal Wheel Supports 360° Rotation, Providing Flexible Movement Ability, Making You Move And Adjust Furniture Position At Will, Making Your Space More Flexible And Convenient. 【Widely Used】This Product Is Very Suitable For Use In Various Occasions Such As Homes, Offices And Shops. It Can Be Instal On Various Furniture Such As Chairs, Tables, Cabinets, Etc., For Easy Movement And Use.