The Stabilo GREEN BOSS highlighter has all of the same features as the BOSS original but with a green conscience. It is manufactured using 83% recycled plastic. These long lasting highlighters can be refilled. The highlighters fit perfectly into your pencil case and have an incredible four hour cap off time. The highlighter can highlight and underline in two line widths, 2 and 5 mm and for approximately 375m. This pack contains yellow, green, orange and pink highlighters.