These Staedtler® Textsurfer® highlighters have a large ink reservoir for extra long highlighting performance. Inkjet safe, they do not smudge inkjet printouts and are perfect for use on paper, faxes and copies.Featuring a soft chisel tip, the 4 colored highlighters give an approximate line size of 1mm to 5mm. Fast drying with a light fast pigment ink, the Textsurfer® highlighters wash out of most textiles. Washes out of most textiles. Chisel tip approx. 1-5mm.