New marking set from STAEDTLER has been specifically designed for teachers, containing 4 on trend marking colours in fineliner form. Staedtler triplus fineliners are high quality fineliners with superfine, metal-clad tips. The pens have an ergonomic triangular barrel for relaxed and easy writing. The water-based ink washes out of most textiles. The pens are airplane-safe and the automatic pressure equalization prevents the pens from leaking on board aircraft.The pens come supplied in the practical and stylish stand-up Staedtler box. With the Staedtler box you simply open, stand it up and start writing.