STABILO BOSS ORIGINAL Highlighter. 1971 listed so far， more than 40 years of quality time tested and proven product design sense timeless. Unique formulation design， the cover is open four hours， the ink does not dry out， to increase the capacity of the ink to ensure more long-term use and save time. PP material classic design， environmental non-toxic materials， writing no pungent smell of ink， carefree and enjoy the fun of writing . When covering the ink and printing fonts， font will not open， and difficult to penetrate， keeping a clean page file. Another 4-color dress， 6 color device and 8-color device combination selection