Mini Liquid-highlighter with Black Barrel & Clear Transparent Cap in Writing Color. Writes Longer & More Intensive as Conventional Highlighter. is Without Pumping or Tapping Operational Immediately. Supported in This Way the Sustainability Concept. New Liquid Ink Delivery System - Better Writing Quality - Greater Luminance - Longer Writing Time - Ecologically Superior - Produced in Acc. with En-71. Astm D-4236. Ink. Available in Blue Flourescent. Green Flourescent. Orange Flourescent. Maganta Flourescent. Violet. Yellow Flourescent. Minimum Quantity: 500.