The Pilot Begreen Twin Jumbo Marker an innovative permanent marker. With a bullet tip at one end and a chisel tip at the other, this marker suits a variety of applications. The bonded acrylic fibre tips retain their shape and write permanently on almost any surface, including paper, glass, plastic, ceramic and metal.?These markers have xylene-free ink and are made from 82.6% recycled material. This pack contains 10 twin markers.