Ideal for school and office use, these markers can be dry-wiped from whiteboards without leaving a trace. Economical, refillable and fast drying. Dry safe ink means cap can be left off for days. Xylene and toluene-free ink. 2mm bullet tip. Contained in a handy stand-up box. Refillable with the Staedtler Park and Write Set. Assorted pack of bold colours. Pack of 4.