Specifications: Compared to traditional highlighters, the ink color is gentle on the markings of documents, and the ink color is difficult to flicker. Ink color: mild yellow; Product size: Shaft diameter 0.4 x total length 5.6 inches (11.5 x 141.5 mm); Product weight: 0.4 oz (10.1 g); Line width: 0.16 inches (4.0 mm), fine 0.04 - 0.06 inches (1.0 - 1.4 mm); Ink: water-based pigments