STABILO Swing Cool highlighter. With this highlighter you can highlight, draw or color. With this highlighter you can highlight, draw or color. With STABILO Anti-dry-out technology; can be uncapped for up to 4 hours without drying out, ideal for concentrated work. Water-based ink, perfect for on the go. Handy format with practical clip, matt anti-slip grip zone for fine grip, two writing widths in one point due to the special chisel shape: 1 and 4 mm, water-based ink and a special vented cap.