The Pentel Jumbo Chalk Marker has a valve-activated flow that helps to prevent against blobbing or leaking. The SMW56 is ideal for use on chalk boards and non-porous surfaces such as glass. It is suitable for both indoor and outdoor use making it perfect for menus, advertisements, timetables etc. It has a semi-permanent formula which won’t run off in a light shower but can be removed with a wet cloth. Its chisel-style tip enables you to create a variety of effects with an approximate line width of 10.0mm-15.0mm.
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