For use on conventional slate chalk board and glass, these Pentel Markers contain liquid chalk, which removes easily with a wet cloth. Suitable for both indoor and outdoor use, the markers feature a valve action for a smooth, controlled ink flow. Ideal for displays, decorations, menus, information and more, the chisel tip writes a variable line width of 1.5-4.0mm. This assorted pack of 7 chalk markers contains red, yellow, blue, white, green, orange and purple.

• Ideal for use on blackboards, whiteboards, glass, ceramic, metal and non-porous surfaces
• For indoor and outdoor use
• Valve-activated flow, no blobbing or leaking
• Chisel tip for a 1.5 - 4.0mm line width
• Barrel colour: Black
• Ink colour: Assorted
• Pack of 7