This pack of neon liquid chalk markers are perfect for creating custom signage. The broad chiseled tip can be used on most surfaces like glass, markerboard, metal, plastic, ceramic and mirror. In this pack of chalk markers you receive four chalk markers (1) red, (1) yellow, (1) blue, and (1) green. Additionally, the wet erase markers are resistant to light rain, smudging and fading. Removes easily with a wet cloth.