- The whole piece of this injection magnet is rubber magnet, we are using the mould tooling to inject it into a shape and then silk screen printing different colours on it. Because uneven surfaces of 2D rubber magnet have 3-dimentional effect and is very colourful, so it is very suitable to make company logos and tour souvenirs. - Die-cut custom magnet is shaped like your corporate logo or event design for promotional gifts.