These e magnets planning magnets are high quality strong and will brighten up the office or home they are small in size so that they will not cover documents or drawings the magnets are easy to attach and pull off and are ideal for offices meeting rooms training rooms school classrooms kitchens and warehouses the magnets have high gloss abs plastic cases and are supplied as a pack of 5 colours red blue green white and yellow diameter 30mm 1316in height 8mm 516in