eS³kube 30mm Magnetic Fridge Buttons (Assorted Colour) - Pack of 10 This is a set of colourful and translucent magnetic buttons. These buttons can stick to iron surfaces like refrigerator doors or white-boards. You can Use them to stick messages on your fridge, or in the office, you can use them to stick papers, charts. on the white-boards. You can even use these buttons as markers. For example, you draw a graph on a whiteboard and you need to pinpoint a specific area on the graph, you can simply stick a button at that area. At home, you can just use them to decorate your fridge or other iron surfaces. Made of plastic and magnet and size is 30.