This set contains 3 colors: Yellow, Sky Blue, and Pink.
Unique highlighters are reinforced with Polyacetal plastic for heavy-duty highlighting and use. Polyacetal is known for its stiffness, strength, resilience, low frictional wear, and high structural stability. These double-sided highlighters feature a fine point highlighter marker on one end and a broad highlighter marker on the other. The highlighters are refillable and are available in a wide range of colors.
Note: These may also be known as Kay Coat highlighters.