MARKERS

Chalk ink marker Chalk Ola  -  1 mm. Suitable for all PENGUIN STORIES planners, especially for table planners.
 
Not-permanent, quick drying. Water-based and non-toxic, odor-free, light-fast. 
 
It can be easily removed from non-porous, sealed surfaces like glass, plastic, car bodywork, white boards, mirror, metal, slate, ceramics, non-porous chalkboards with water.
 
https://www.youtube.com/watch?v=dD5fm3KEN-E