These Bic Brite Liner Highlighters contain vibrant, water based fluorescent ink with a high resistance to light and fading. The chisel tip writes a 1.6 - 3.4mm line width, which is perfect for both bold highlighting and fine underlining, and will not dry out even if left uncapped for up to 8 hours. Great for use at work, home or school, the slim barrel is designed for comfort in use. This assorted pack of 5 contains yellow, pink, green, orange and blue.