What is this?The Rubber Magnetic Label Slots with pre-cut labels and flexible protective films are a universal tool, to meet your craft or organize needs. They can be attached to the iron material surface for organization, suitable for many occasions, such as warehouse racks or shelves, office and classroom file cabinets, toolboxes, mailboxes, and so on.What will I get?The Magnetic Label Holders, we provide here, are in the size of:Label Slots Material: Rubber MagnetsCompatible: All-purpose label useLength: 2-inch / 50mmWidth: 1-inch / 25mmInner Thickness: 0.04-inch / 1mmIn the package of 50 x Magnetic Label HoldersAre there any advantages of the product?The label holders are made of weak rubber magnets, durable, flexible, and easy to move and re-arrange.