A crafted cotton novelty bow tie from Van Buck. This self-tied maths tie features a black ground with chalkboard markings all over. The perfect accessory for anyone at school, teachers or mathematicians! This bow tie really is something extra special, perfect for an all round fun guy who likes to wear his personality round his neck. The quality of fabric we use for our ties is outstanding making them stand out as a quality piece of gentleman's neckwear. Patterns and colours may vary.